1 /*
2  * hostapd / Configuration file parser
3  * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #include "utils/includes.h"
10 #ifndef CONFIG_NATIVE_WINDOWS
11 #include <grp.h>
12 #endif /* CONFIG_NATIVE_WINDOWS */
13 
14 #include "utils/common.h"
15 #include "utils/uuid.h"
16 #include "common/ieee802_11_defs.h"
17 #include "drivers/driver.h"
18 #include "eap_server/eap.h"
19 #include "radius/radius_client.h"
20 #include "ap/wpa_auth.h"
21 #include "ap/ap_config.h"
22 #include "config_file.h"
23 
24 
25 #ifndef CONFIG_NO_RADIUS
26 #ifdef EAP_SERVER
27 static struct hostapd_radius_attr *
28 hostapd_parse_radius_attr(const char *value);
29 #endif /* EAP_SERVER */
30 #endif /* CONFIG_NO_RADIUS */
31 
32 
33 #ifndef CONFIG_NO_VLAN
hostapd_config_read_vlan_file(struct hostapd_bss_config * bss,const char * fname)34 static int hostapd_config_read_vlan_file(struct hostapd_bss_config *bss,
35 					 const char *fname)
36 {
37 	FILE *f;
38 	char buf[128], *pos, *pos2;
39 	int line = 0, vlan_id;
40 	struct hostapd_vlan *vlan;
41 
42 	f = fopen(fname, "r");
43 	if (!f) {
44 		wpa_printf(MSG_ERROR, "VLAN file '%s' not readable.", fname);
45 		return -1;
46 	}
47 
48 	while (fgets(buf, sizeof(buf), f)) {
49 		line++;
50 
51 		if (buf[0] == '#')
52 			continue;
53 		pos = buf;
54 		while (*pos != '\0') {
55 			if (*pos == '\n') {
56 				*pos = '\0';
57 				break;
58 			}
59 			pos++;
60 		}
61 		if (buf[0] == '\0')
62 			continue;
63 
64 		if (buf[0] == '*') {
65 			vlan_id = VLAN_ID_WILDCARD;
66 			pos = buf + 1;
67 		} else {
68 			vlan_id = strtol(buf, &pos, 10);
69 			if (buf == pos || vlan_id < 1 ||
70 			    vlan_id > MAX_VLAN_ID) {
71 				wpa_printf(MSG_ERROR, "Invalid VLAN ID at "
72 					   "line %d in '%s'", line, fname);
73 				fclose(f);
74 				return -1;
75 			}
76 		}
77 
78 		while (*pos == ' ' || *pos == '\t')
79 			pos++;
80 		pos2 = pos;
81 		while (*pos2 != ' ' && *pos2 != '\t' && *pos2 != '\0')
82 			pos2++;
83 		*pos2 = '\0';
84 		if (*pos == '\0' || os_strlen(pos) > IFNAMSIZ) {
85 			wpa_printf(MSG_ERROR, "Invalid VLAN ifname at line %d "
86 				   "in '%s'", line, fname);
87 			fclose(f);
88 			return -1;
89 		}
90 
91 		vlan = os_zalloc(sizeof(*vlan));
92 		if (vlan == NULL) {
93 			wpa_printf(MSG_ERROR, "Out of memory while reading "
94 				   "VLAN interfaces from '%s'", fname);
95 			fclose(f);
96 			return -1;
97 		}
98 
99 		vlan->vlan_id = vlan_id;
100 		vlan->vlan_desc.untagged = vlan_id;
101 		vlan->vlan_desc.notempty = !!vlan_id;
102 		os_strlcpy(vlan->ifname, pos, sizeof(vlan->ifname));
103 		vlan->next = bss->vlan;
104 		bss->vlan = vlan;
105 	}
106 
107 	fclose(f);
108 
109 	return 0;
110 }
111 #endif /* CONFIG_NO_VLAN */
112 
113 
hostapd_acl_comp(const void * a,const void * b)114 static int hostapd_acl_comp(const void *a, const void *b)
115 {
116 	const struct mac_acl_entry *aa = a;
117 	const struct mac_acl_entry *bb = b;
118 	return os_memcmp(aa->addr, bb->addr, sizeof(macaddr));
119 }
120 
121 
hostapd_config_read_maclist(const char * fname,struct mac_acl_entry ** acl,int * num)122 static int hostapd_config_read_maclist(const char *fname,
123 				       struct mac_acl_entry **acl, int *num)
124 {
125 	FILE *f;
126 	char buf[128], *pos;
127 	int line = 0;
128 	u8 addr[ETH_ALEN];
129 	struct mac_acl_entry *newacl;
130 	int vlan_id;
131 
132 	if (!fname)
133 		return 0;
134 
135 	f = fopen(fname, "r");
136 	if (!f) {
137 		wpa_printf(MSG_ERROR, "MAC list file '%s' not found.", fname);
138 		return -1;
139 	}
140 
141 	while (fgets(buf, sizeof(buf), f)) {
142 		int i, rem = 0;
143 
144 		line++;
145 
146 		if (buf[0] == '#')
147 			continue;
148 		pos = buf;
149 		while (*pos != '\0') {
150 			if (*pos == '\n') {
151 				*pos = '\0';
152 				break;
153 			}
154 			pos++;
155 		}
156 		if (buf[0] == '\0')
157 			continue;
158 		pos = buf;
159 		if (buf[0] == '-') {
160 			rem = 1;
161 			pos++;
162 		}
163 
164 		if (hwaddr_aton(pos, addr)) {
165 			wpa_printf(MSG_ERROR, "Invalid MAC address '%s' at "
166 				   "line %d in '%s'", pos, line, fname);
167 			fclose(f);
168 			return -1;
169 		}
170 
171 		if (rem) {
172 			i = 0;
173 			while (i < *num) {
174 				if (os_memcmp((*acl)[i].addr, addr, ETH_ALEN) ==
175 				    0) {
176 					os_remove_in_array(*acl, *num,
177 							   sizeof(**acl), i);
178 					(*num)--;
179 				} else
180 					i++;
181 			}
182 			continue;
183 		}
184 		vlan_id = 0;
185 		pos = buf;
186 		while (*pos != '\0' && *pos != ' ' && *pos != '\t')
187 			pos++;
188 		while (*pos == ' ' || *pos == '\t')
189 			pos++;
190 		if (*pos != '\0')
191 			vlan_id = atoi(pos);
192 
193 		newacl = os_realloc_array(*acl, *num + 1, sizeof(**acl));
194 		if (newacl == NULL) {
195 			wpa_printf(MSG_ERROR, "MAC list reallocation failed");
196 			fclose(f);
197 			return -1;
198 		}
199 
200 		*acl = newacl;
201 		os_memcpy((*acl)[*num].addr, addr, ETH_ALEN);
202 		os_memset(&(*acl)[*num].vlan_id, 0,
203 			  sizeof((*acl)[*num].vlan_id));
204 		(*acl)[*num].vlan_id.untagged = vlan_id;
205 		(*acl)[*num].vlan_id.notempty = !!vlan_id;
206 		(*num)++;
207 	}
208 
209 	fclose(f);
210 
211 	qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
212 
213 	return 0;
214 }
215 
216 
217 #ifdef EAP_SERVER
hostapd_config_read_eap_user(const char * fname,struct hostapd_bss_config * conf)218 static int hostapd_config_read_eap_user(const char *fname,
219 					struct hostapd_bss_config *conf)
220 {
221 	FILE *f;
222 	char buf[512], *pos, *start, *pos2;
223 	int line = 0, ret = 0, num_methods;
224 	struct hostapd_eap_user *user = NULL, *tail = NULL, *new_user = NULL;
225 
226 	if (!fname)
227 		return 0;
228 
229 	if (os_strncmp(fname, "sqlite:", 7) == 0) {
230 #ifdef CONFIG_SQLITE
231 		os_free(conf->eap_user_sqlite);
232 		conf->eap_user_sqlite = os_strdup(fname + 7);
233 		return 0;
234 #else /* CONFIG_SQLITE */
235 		wpa_printf(MSG_ERROR,
236 			   "EAP user file in SQLite DB, but CONFIG_SQLITE was not enabled in the build.");
237 		return -1;
238 #endif /* CONFIG_SQLITE */
239 	}
240 
241 	f = fopen(fname, "r");
242 	if (!f) {
243 		wpa_printf(MSG_ERROR, "EAP user file '%s' not found.", fname);
244 		return -1;
245 	}
246 
247 	/* Lines: "user" METHOD,METHOD2 "password" (password optional) */
248 	while (fgets(buf, sizeof(buf), f)) {
249 		line++;
250 
251 		if (buf[0] == '#')
252 			continue;
253 		pos = buf;
254 		while (*pos != '\0') {
255 			if (*pos == '\n') {
256 				*pos = '\0';
257 				break;
258 			}
259 			pos++;
260 		}
261 		if (buf[0] == '\0')
262 			continue;
263 
264 #ifndef CONFIG_NO_RADIUS
265 		if (user && os_strncmp(buf, "radius_accept_attr=", 19) == 0) {
266 			struct hostapd_radius_attr *attr, *a;
267 			attr = hostapd_parse_radius_attr(buf + 19);
268 			if (attr == NULL) {
269 				wpa_printf(MSG_ERROR, "Invalid radius_auth_req_attr: %s",
270 					   buf + 19);
271 				user = NULL; /* already in the BSS list */
272 				goto failed;
273 			}
274 			if (user->accept_attr == NULL) {
275 				user->accept_attr = attr;
276 			} else {
277 				a = user->accept_attr;
278 				while (a->next)
279 					a = a->next;
280 				a->next = attr;
281 			}
282 			continue;
283 		}
284 #endif /* CONFIG_NO_RADIUS */
285 
286 		user = NULL;
287 
288 		if (buf[0] != '"' && buf[0] != '*') {
289 			wpa_printf(MSG_ERROR, "Invalid EAP identity (no \" in "
290 				   "start) on line %d in '%s'", line, fname);
291 			goto failed;
292 		}
293 
294 		user = os_zalloc(sizeof(*user));
295 		if (user == NULL) {
296 			wpa_printf(MSG_ERROR, "EAP user allocation failed");
297 			goto failed;
298 		}
299 		user->force_version = -1;
300 
301 		if (buf[0] == '*') {
302 			pos = buf;
303 		} else {
304 			pos = buf + 1;
305 			start = pos;
306 			while (*pos != '"' && *pos != '\0')
307 				pos++;
308 			if (*pos == '\0') {
309 				wpa_printf(MSG_ERROR, "Invalid EAP identity "
310 					   "(no \" in end) on line %d in '%s'",
311 					   line, fname);
312 				goto failed;
313 			}
314 
315 			user->identity = os_malloc(pos - start);
316 			if (user->identity == NULL) {
317 				wpa_printf(MSG_ERROR, "Failed to allocate "
318 					   "memory for EAP identity");
319 				goto failed;
320 			}
321 			os_memcpy(user->identity, start, pos - start);
322 			user->identity_len = pos - start;
323 
324 			if (pos[0] == '"' && pos[1] == '*') {
325 				user->wildcard_prefix = 1;
326 				pos++;
327 			}
328 		}
329 		pos++;
330 		while (*pos == ' ' || *pos == '\t')
331 			pos++;
332 
333 		if (*pos == '\0') {
334 			wpa_printf(MSG_ERROR, "No EAP method on line %d in "
335 				   "'%s'", line, fname);
336 			goto failed;
337 		}
338 
339 		start = pos;
340 		while (*pos != ' ' && *pos != '\t' && *pos != '\0')
341 			pos++;
342 		if (*pos == '\0') {
343 			pos = NULL;
344 		} else {
345 			*pos = '\0';
346 			pos++;
347 		}
348 		num_methods = 0;
349 		while (*start) {
350 			char *pos3 = os_strchr(start, ',');
351 			if (pos3) {
352 				*pos3++ = '\0';
353 			}
354 			user->methods[num_methods].method =
355 				eap_server_get_type(
356 					start,
357 					&user->methods[num_methods].vendor);
358 			if (user->methods[num_methods].vendor ==
359 			    EAP_VENDOR_IETF &&
360 			    user->methods[num_methods].method == EAP_TYPE_NONE)
361 			{
362 				if (os_strcmp(start, "TTLS-PAP") == 0) {
363 					user->ttls_auth |= EAP_TTLS_AUTH_PAP;
364 					goto skip_eap;
365 				}
366 				if (os_strcmp(start, "TTLS-CHAP") == 0) {
367 					user->ttls_auth |= EAP_TTLS_AUTH_CHAP;
368 					goto skip_eap;
369 				}
370 				if (os_strcmp(start, "TTLS-MSCHAP") == 0) {
371 					user->ttls_auth |=
372 						EAP_TTLS_AUTH_MSCHAP;
373 					goto skip_eap;
374 				}
375 				if (os_strcmp(start, "TTLS-MSCHAPV2") == 0) {
376 					user->ttls_auth |=
377 						EAP_TTLS_AUTH_MSCHAPV2;
378 					goto skip_eap;
379 				}
380 				if (os_strcmp(start, "MACACL") == 0) {
381 					user->macacl = 1;
382 					goto skip_eap;
383 				}
384 				wpa_printf(MSG_ERROR, "Unsupported EAP type "
385 					   "'%s' on line %d in '%s'",
386 					   start, line, fname);
387 				goto failed;
388 			}
389 
390 			num_methods++;
391 			if (num_methods >= EAP_MAX_METHODS)
392 				break;
393 		skip_eap:
394 			if (pos3 == NULL)
395 				break;
396 			start = pos3;
397 		}
398 		if (num_methods == 0 && user->ttls_auth == 0 && !user->macacl) {
399 			wpa_printf(MSG_ERROR, "No EAP types configured on "
400 				   "line %d in '%s'", line, fname);
401 			goto failed;
402 		}
403 
404 		if (pos == NULL)
405 			goto done;
406 
407 		while (*pos == ' ' || *pos == '\t')
408 			pos++;
409 		if (*pos == '\0')
410 			goto done;
411 
412 		if (os_strncmp(pos, "[ver=0]", 7) == 0) {
413 			user->force_version = 0;
414 			goto done;
415 		}
416 
417 		if (os_strncmp(pos, "[ver=1]", 7) == 0) {
418 			user->force_version = 1;
419 			goto done;
420 		}
421 
422 		if (os_strncmp(pos, "[2]", 3) == 0) {
423 			user->phase2 = 1;
424 			goto done;
425 		}
426 
427 		if (*pos == '"') {
428 			pos++;
429 			start = pos;
430 			while (*pos != '"' && *pos != '\0')
431 				pos++;
432 			if (*pos == '\0') {
433 				wpa_printf(MSG_ERROR, "Invalid EAP password "
434 					   "(no \" in end) on line %d in '%s'",
435 					   line, fname);
436 				goto failed;
437 			}
438 
439 			user->password = os_malloc(pos - start);
440 			if (user->password == NULL) {
441 				wpa_printf(MSG_ERROR, "Failed to allocate "
442 					   "memory for EAP password");
443 				goto failed;
444 			}
445 			os_memcpy(user->password, start, pos - start);
446 			user->password_len = pos - start;
447 
448 			pos++;
449 		} else if (os_strncmp(pos, "hash:", 5) == 0) {
450 			pos += 5;
451 			pos2 = pos;
452 			while (*pos2 != '\0' && *pos2 != ' ' &&
453 			       *pos2 != '\t' && *pos2 != '#')
454 				pos2++;
455 			if (pos2 - pos != 32) {
456 				wpa_printf(MSG_ERROR, "Invalid password hash "
457 					   "on line %d in '%s'", line, fname);
458 				goto failed;
459 			}
460 			user->password = os_malloc(16);
461 			if (user->password == NULL) {
462 				wpa_printf(MSG_ERROR, "Failed to allocate "
463 					   "memory for EAP password hash");
464 				goto failed;
465 			}
466 			if (hexstr2bin(pos, user->password, 16) < 0) {
467 				wpa_printf(MSG_ERROR, "Invalid hash password "
468 					   "on line %d in '%s'", line, fname);
469 				goto failed;
470 			}
471 			user->password_len = 16;
472 			user->password_hash = 1;
473 			pos = pos2;
474 		} else {
475 			pos2 = pos;
476 			while (*pos2 != '\0' && *pos2 != ' ' &&
477 			       *pos2 != '\t' && *pos2 != '#')
478 				pos2++;
479 			if ((pos2 - pos) & 1) {
480 				wpa_printf(MSG_ERROR, "Invalid hex password "
481 					   "on line %d in '%s'", line, fname);
482 				goto failed;
483 			}
484 			user->password = os_malloc((pos2 - pos) / 2);
485 			if (user->password == NULL) {
486 				wpa_printf(MSG_ERROR, "Failed to allocate "
487 					   "memory for EAP password");
488 				goto failed;
489 			}
490 			if (hexstr2bin(pos, user->password,
491 				       (pos2 - pos) / 2) < 0) {
492 				wpa_printf(MSG_ERROR, "Invalid hex password "
493 					   "on line %d in '%s'", line, fname);
494 				goto failed;
495 			}
496 			user->password_len = (pos2 - pos) / 2;
497 			pos = pos2;
498 		}
499 
500 		while (*pos == ' ' || *pos == '\t')
501 			pos++;
502 		if (os_strncmp(pos, "[2]", 3) == 0) {
503 			user->phase2 = 1;
504 		}
505 
506 	done:
507 		if (tail == NULL) {
508 			tail = new_user = user;
509 		} else {
510 			tail->next = user;
511 			tail = user;
512 		}
513 		continue;
514 
515 	failed:
516 		if (user)
517 			hostapd_config_free_eap_user(user);
518 		ret = -1;
519 		break;
520 	}
521 
522 	fclose(f);
523 
524 	if (ret == 0) {
525 		user = conf->eap_user;
526 		while (user) {
527 			struct hostapd_eap_user *prev;
528 
529 			prev = user;
530 			user = user->next;
531 			hostapd_config_free_eap_user(prev);
532 		}
533 		conf->eap_user = new_user;
534 	}
535 
536 	return ret;
537 }
538 #endif /* EAP_SERVER */
539 
540 
541 #ifndef CONFIG_NO_RADIUS
542 static int
hostapd_config_read_radius_addr(struct hostapd_radius_server ** server,int * num_server,const char * val,int def_port,struct hostapd_radius_server ** curr_serv)543 hostapd_config_read_radius_addr(struct hostapd_radius_server **server,
544 				int *num_server, const char *val, int def_port,
545 				struct hostapd_radius_server **curr_serv)
546 {
547 	struct hostapd_radius_server *nserv;
548 	int ret;
549 	static int server_index = 1;
550 
551 	nserv = os_realloc_array(*server, *num_server + 1, sizeof(*nserv));
552 	if (nserv == NULL)
553 		return -1;
554 
555 	*server = nserv;
556 	nserv = &nserv[*num_server];
557 	(*num_server)++;
558 	(*curr_serv) = nserv;
559 
560 	os_memset(nserv, 0, sizeof(*nserv));
561 	nserv->port = def_port;
562 	ret = hostapd_parse_ip_addr(val, &nserv->addr);
563 	nserv->index = server_index++;
564 
565 	return ret;
566 }
567 
568 
569 static struct hostapd_radius_attr *
hostapd_parse_radius_attr(const char * value)570 hostapd_parse_radius_attr(const char *value)
571 {
572 	const char *pos;
573 	char syntax;
574 	struct hostapd_radius_attr *attr;
575 	size_t len;
576 
577 	attr = os_zalloc(sizeof(*attr));
578 	if (attr == NULL)
579 		return NULL;
580 
581 	attr->type = atoi(value);
582 
583 	pos = os_strchr(value, ':');
584 	if (pos == NULL) {
585 		attr->val = wpabuf_alloc(1);
586 		if (attr->val == NULL) {
587 			os_free(attr);
588 			return NULL;
589 		}
590 		wpabuf_put_u8(attr->val, 0);
591 		return attr;
592 	}
593 
594 	pos++;
595 	if (pos[0] == '\0' || pos[1] != ':') {
596 		os_free(attr);
597 		return NULL;
598 	}
599 	syntax = *pos++;
600 	pos++;
601 
602 	switch (syntax) {
603 	case 's':
604 		attr->val = wpabuf_alloc_copy(pos, os_strlen(pos));
605 		break;
606 	case 'x':
607 		len = os_strlen(pos);
608 		if (len & 1)
609 			break;
610 		len /= 2;
611 		attr->val = wpabuf_alloc(len);
612 		if (attr->val == NULL)
613 			break;
614 		if (hexstr2bin(pos, wpabuf_put(attr->val, len), len) < 0) {
615 			wpabuf_free(attr->val);
616 			os_free(attr);
617 			return NULL;
618 		}
619 		break;
620 	case 'd':
621 		attr->val = wpabuf_alloc(4);
622 		if (attr->val)
623 			wpabuf_put_be32(attr->val, atoi(pos));
624 		break;
625 	default:
626 		os_free(attr);
627 		return NULL;
628 	}
629 
630 	if (attr->val == NULL) {
631 		os_free(attr);
632 		return NULL;
633 	}
634 
635 	return attr;
636 }
637 
638 
hostapd_parse_das_client(struct hostapd_bss_config * bss,const char * val)639 static int hostapd_parse_das_client(struct hostapd_bss_config *bss,
640 				    const char *val)
641 {
642 	char *secret;
643 
644 	secret = os_strchr(val, ' ');
645 	if (secret == NULL)
646 		return -1;
647 
648 	secret++;
649 
650 	if (hostapd_parse_ip_addr(val, &bss->radius_das_client_addr))
651 		return -1;
652 
653 	os_free(bss->radius_das_shared_secret);
654 	bss->radius_das_shared_secret = (u8 *) os_strdup(secret);
655 	if (bss->radius_das_shared_secret == NULL)
656 		return -1;
657 	bss->radius_das_shared_secret_len = os_strlen(secret);
658 
659 	return 0;
660 }
661 #endif /* CONFIG_NO_RADIUS */
662 
663 
hostapd_config_parse_key_mgmt(int line,const char * value)664 static int hostapd_config_parse_key_mgmt(int line, const char *value)
665 {
666 	int val = 0, last;
667 	char *start, *end, *buf;
668 
669 	buf = os_strdup(value);
670 	if (buf == NULL)
671 		return -1;
672 	start = buf;
673 
674 	while (*start != '\0') {
675 		while (*start == ' ' || *start == '\t')
676 			start++;
677 		if (*start == '\0')
678 			break;
679 		end = start;
680 		while (*end != ' ' && *end != '\t' && *end != '\0')
681 			end++;
682 		last = *end == '\0';
683 		*end = '\0';
684 		if (os_strcmp(start, "WPA-PSK") == 0)
685 			val |= WPA_KEY_MGMT_PSK;
686 		else if (os_strcmp(start, "WPA-EAP") == 0)
687 			val |= WPA_KEY_MGMT_IEEE8021X;
688 #ifdef CONFIG_IEEE80211R
689 		else if (os_strcmp(start, "FT-PSK") == 0)
690 			val |= WPA_KEY_MGMT_FT_PSK;
691 		else if (os_strcmp(start, "FT-EAP") == 0)
692 			val |= WPA_KEY_MGMT_FT_IEEE8021X;
693 #endif /* CONFIG_IEEE80211R */
694 #ifdef CONFIG_IEEE80211W
695 		else if (os_strcmp(start, "WPA-PSK-SHA256") == 0)
696 			val |= WPA_KEY_MGMT_PSK_SHA256;
697 		else if (os_strcmp(start, "WPA-EAP-SHA256") == 0)
698 			val |= WPA_KEY_MGMT_IEEE8021X_SHA256;
699 #endif /* CONFIG_IEEE80211W */
700 #ifdef CONFIG_SAE
701 		else if (os_strcmp(start, "SAE") == 0)
702 			val |= WPA_KEY_MGMT_SAE;
703 		else if (os_strcmp(start, "FT-SAE") == 0)
704 			val |= WPA_KEY_MGMT_FT_SAE;
705 #endif /* CONFIG_SAE */
706 #ifdef CONFIG_SUITEB
707 		else if (os_strcmp(start, "WPA-EAP-SUITE-B") == 0)
708 			val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B;
709 #endif /* CONFIG_SUITEB */
710 #ifdef CONFIG_SUITEB192
711 		else if (os_strcmp(start, "WPA-EAP-SUITE-B-192") == 0)
712 			val |= WPA_KEY_MGMT_IEEE8021X_SUITE_B_192;
713 #endif /* CONFIG_SUITEB192 */
714 		else {
715 			wpa_printf(MSG_ERROR, "Line %d: invalid key_mgmt '%s'",
716 				   line, start);
717 			os_free(buf);
718 			return -1;
719 		}
720 
721 		if (last)
722 			break;
723 		start = end + 1;
724 	}
725 
726 	os_free(buf);
727 	if (val == 0) {
728 		wpa_printf(MSG_ERROR, "Line %d: no key_mgmt values "
729 			   "configured.", line);
730 		return -1;
731 	}
732 
733 	return val;
734 }
735 
736 
hostapd_config_parse_cipher(int line,const char * value)737 static int hostapd_config_parse_cipher(int line, const char *value)
738 {
739 	int val = wpa_parse_cipher(value);
740 	if (val < 0) {
741 		wpa_printf(MSG_ERROR, "Line %d: invalid cipher '%s'.",
742 			   line, value);
743 		return -1;
744 	}
745 	if (val == 0) {
746 		wpa_printf(MSG_ERROR, "Line %d: no cipher values configured.",
747 			   line);
748 		return -1;
749 	}
750 	return val;
751 }
752 
753 
hostapd_config_read_wep(struct hostapd_wep_keys * wep,int keyidx,char * val)754 static int hostapd_config_read_wep(struct hostapd_wep_keys *wep, int keyidx,
755 				   char *val)
756 {
757 	size_t len = os_strlen(val);
758 
759 	if (keyidx < 0 || keyidx > 3 || wep->key[keyidx] != NULL)
760 		return -1;
761 
762 	if (val[0] == '"') {
763 		if (len < 2 || val[len - 1] != '"')
764 			return -1;
765 		len -= 2;
766 		wep->key[keyidx] = os_malloc(len);
767 		if (wep->key[keyidx] == NULL)
768 			return -1;
769 		os_memcpy(wep->key[keyidx], val + 1, len);
770 		wep->len[keyidx] = len;
771 	} else {
772 		if (len & 1)
773 			return -1;
774 		len /= 2;
775 		wep->key[keyidx] = os_malloc(len);
776 		if (wep->key[keyidx] == NULL)
777 			return -1;
778 		wep->len[keyidx] = len;
779 		if (hexstr2bin(val, wep->key[keyidx], len) < 0)
780 			return -1;
781 	}
782 
783 	wep->keys_set++;
784 
785 	return 0;
786 }
787 
788 
hostapd_parse_chanlist(struct hostapd_config * conf,char * val)789 static int hostapd_parse_chanlist(struct hostapd_config *conf, char *val)
790 {
791 	char *pos;
792 
793 	/* for backwards compatibility, translate ' ' in conf str to ',' */
794 	pos = val;
795 	while (pos) {
796 		pos = os_strchr(pos, ' ');
797 		if (pos)
798 			*pos++ = ',';
799 	}
800 	if (freq_range_list_parse(&conf->acs_ch_list, val))
801 		return -1;
802 
803 	return 0;
804 }
805 
806 
hostapd_parse_intlist(int ** int_list,char * val)807 static int hostapd_parse_intlist(int **int_list, char *val)
808 {
809 	int *list;
810 	int count;
811 	char *pos, *end;
812 
813 	os_free(*int_list);
814 	*int_list = NULL;
815 
816 	pos = val;
817 	count = 0;
818 	while (*pos != '\0') {
819 		if (*pos == ' ')
820 			count++;
821 		pos++;
822 	}
823 
824 	list = os_malloc(sizeof(int) * (count + 2));
825 	if (list == NULL)
826 		return -1;
827 	pos = val;
828 	count = 0;
829 	while (*pos != '\0') {
830 		end = os_strchr(pos, ' ');
831 		if (end)
832 			*end = '\0';
833 
834 		list[count++] = atoi(pos);
835 		if (!end)
836 			break;
837 		pos = end + 1;
838 	}
839 	list[count] = -1;
840 
841 	*int_list = list;
842 	return 0;
843 }
844 
845 
hostapd_config_bss(struct hostapd_config * conf,const char * ifname)846 static int hostapd_config_bss(struct hostapd_config *conf, const char *ifname)
847 {
848 	struct hostapd_bss_config **all, *bss;
849 
850 	if (*ifname == '\0')
851 		return -1;
852 
853 	all = os_realloc_array(conf->bss, conf->num_bss + 1,
854 			       sizeof(struct hostapd_bss_config *));
855 	if (all == NULL) {
856 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
857 			   "multi-BSS entry");
858 		return -1;
859 	}
860 	conf->bss = all;
861 
862 	bss = os_zalloc(sizeof(*bss));
863 	if (bss == NULL)
864 		return -1;
865 	bss->radius = os_zalloc(sizeof(*bss->radius));
866 	if (bss->radius == NULL) {
867 		wpa_printf(MSG_ERROR, "Failed to allocate memory for "
868 			   "multi-BSS RADIUS data");
869 		os_free(bss);
870 		return -1;
871 	}
872 
873 	conf->bss[conf->num_bss++] = bss;
874 	conf->last_bss = bss;
875 
876 	hostapd_config_defaults_bss(bss);
877 	os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
878 	os_memcpy(bss->ssid.vlan, bss->iface, IFNAMSIZ + 1);
879 
880 	return 0;
881 }
882 
883 
884 /* convert floats with one decimal place to value*10 int, i.e.,
885  * "1.5" will return 15 */
hostapd_config_read_int10(const char * value)886 static int hostapd_config_read_int10(const char *value)
887 {
888 	int i, d;
889 	char *pos;
890 
891 	i = atoi(value);
892 	pos = os_strchr(value, '.');
893 	d = 0;
894 	if (pos) {
895 		pos++;
896 		if (*pos >= '0' && *pos <= '9')
897 			d = *pos - '0';
898 	}
899 
900 	return i * 10 + d;
901 }
902 
903 
valid_cw(int cw)904 static int valid_cw(int cw)
905 {
906 	return (cw == 1 || cw == 3 || cw == 7 || cw == 15 || cw == 31 ||
907 		cw == 63 || cw == 127 || cw == 255 || cw == 511 || cw == 1023 ||
908 		cw == 2047 || cw == 4095 || cw == 8191 || cw == 16383 ||
909 		cw == 32767);
910 }
911 
912 
913 enum {
914 	IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
915 	IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
916 	IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
917 	IEEE80211_TX_QUEUE_DATA3 = 3 /* used for EDCA AC_BK data */
918 };
919 
hostapd_config_tx_queue(struct hostapd_config * conf,const char * name,const char * val)920 static int hostapd_config_tx_queue(struct hostapd_config *conf,
921 				   const char *name, const char *val)
922 {
923 	int num;
924 	const char *pos;
925 	struct hostapd_tx_queue_params *queue;
926 
927 	/* skip 'tx_queue_' prefix */
928 	pos = name + 9;
929 	if (os_strncmp(pos, "data", 4) == 0 &&
930 	    pos[4] >= '0' && pos[4] <= '9' && pos[5] == '_') {
931 		num = pos[4] - '0';
932 		pos += 6;
933 	} else if (os_strncmp(pos, "after_beacon_", 13) == 0 ||
934 		   os_strncmp(pos, "beacon_", 7) == 0) {
935 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
936 		return 0;
937 	} else {
938 		wpa_printf(MSG_ERROR, "Unknown tx_queue name '%s'", pos);
939 		return -1;
940 	}
941 
942 	if (num >= NUM_TX_QUEUES) {
943 		/* for backwards compatibility, do not trigger failure */
944 		wpa_printf(MSG_INFO, "DEPRECATED: '%s' not used", name);
945 		return 0;
946 	}
947 
948 	queue = &conf->tx_queue[num];
949 
950 	if (os_strcmp(pos, "aifs") == 0) {
951 		queue->aifs = atoi(val);
952 		if (queue->aifs < 0 || queue->aifs > 255) {
953 			wpa_printf(MSG_ERROR, "Invalid AIFS value %d",
954 				   queue->aifs);
955 			return -1;
956 		}
957 	} else if (os_strcmp(pos, "cwmin") == 0) {
958 		queue->cwmin = atoi(val);
959 		if (!valid_cw(queue->cwmin)) {
960 			wpa_printf(MSG_ERROR, "Invalid cwMin value %d",
961 				   queue->cwmin);
962 			return -1;
963 		}
964 	} else if (os_strcmp(pos, "cwmax") == 0) {
965 		queue->cwmax = atoi(val);
966 		if (!valid_cw(queue->cwmax)) {
967 			wpa_printf(MSG_ERROR, "Invalid cwMax value %d",
968 				   queue->cwmax);
969 			return -1;
970 		}
971 	} else if (os_strcmp(pos, "burst") == 0) {
972 		queue->burst = hostapd_config_read_int10(val);
973 	} else {
974 		wpa_printf(MSG_ERROR, "Unknown tx_queue field '%s'", pos);
975 		return -1;
976 	}
977 
978 	return 0;
979 }
980 
981 
982 #ifdef CONFIG_IEEE80211R
add_r0kh(struct hostapd_bss_config * bss,char * value)983 static int add_r0kh(struct hostapd_bss_config *bss, char *value)
984 {
985 	struct ft_remote_r0kh *r0kh;
986 	char *pos, *next;
987 
988 	r0kh = os_zalloc(sizeof(*r0kh));
989 	if (r0kh == NULL)
990 		return -1;
991 
992 	/* 02:01:02:03:04:05 a.example.com 000102030405060708090a0b0c0d0e0f */
993 	pos = value;
994 	next = os_strchr(pos, ' ');
995 	if (next)
996 		*next++ = '\0';
997 	if (next == NULL || hwaddr_aton(pos, r0kh->addr)) {
998 		wpa_printf(MSG_ERROR, "Invalid R0KH MAC address: '%s'", pos);
999 		os_free(r0kh);
1000 		return -1;
1001 	}
1002 
1003 	pos = next;
1004 	next = os_strchr(pos, ' ');
1005 	if (next)
1006 		*next++ = '\0';
1007 	if (next == NULL || next - pos > FT_R0KH_ID_MAX_LEN) {
1008 		wpa_printf(MSG_ERROR, "Invalid R0KH-ID: '%s'", pos);
1009 		os_free(r0kh);
1010 		return -1;
1011 	}
1012 	r0kh->id_len = next - pos - 1;
1013 	os_memcpy(r0kh->id, pos, r0kh->id_len);
1014 
1015 	pos = next;
1016 	if (hexstr2bin(pos, r0kh->key, sizeof(r0kh->key))) {
1017 		wpa_printf(MSG_ERROR, "Invalid R0KH key: '%s'", pos);
1018 		os_free(r0kh);
1019 		return -1;
1020 	}
1021 
1022 	r0kh->next = bss->r0kh_list;
1023 	bss->r0kh_list = r0kh;
1024 
1025 	return 0;
1026 }
1027 
1028 
add_r1kh(struct hostapd_bss_config * bss,char * value)1029 static int add_r1kh(struct hostapd_bss_config *bss, char *value)
1030 {
1031 	struct ft_remote_r1kh *r1kh;
1032 	char *pos, *next;
1033 
1034 	r1kh = os_zalloc(sizeof(*r1kh));
1035 	if (r1kh == NULL)
1036 		return -1;
1037 
1038 	/* 02:01:02:03:04:05 02:01:02:03:04:05
1039 	 * 000102030405060708090a0b0c0d0e0f */
1040 	pos = value;
1041 	next = os_strchr(pos, ' ');
1042 	if (next)
1043 		*next++ = '\0';
1044 	if (next == NULL || hwaddr_aton(pos, r1kh->addr)) {
1045 		wpa_printf(MSG_ERROR, "Invalid R1KH MAC address: '%s'", pos);
1046 		os_free(r1kh);
1047 		return -1;
1048 	}
1049 
1050 	pos = next;
1051 	next = os_strchr(pos, ' ');
1052 	if (next)
1053 		*next++ = '\0';
1054 	if (next == NULL || hwaddr_aton(pos, r1kh->id)) {
1055 		wpa_printf(MSG_ERROR, "Invalid R1KH-ID: '%s'", pos);
1056 		os_free(r1kh);
1057 		return -1;
1058 	}
1059 
1060 	pos = next;
1061 	if (hexstr2bin(pos, r1kh->key, sizeof(r1kh->key))) {
1062 		wpa_printf(MSG_ERROR, "Invalid R1KH key: '%s'", pos);
1063 		os_free(r1kh);
1064 		return -1;
1065 	}
1066 
1067 	r1kh->next = bss->r1kh_list;
1068 	bss->r1kh_list = r1kh;
1069 
1070 	return 0;
1071 }
1072 #endif /* CONFIG_IEEE80211R */
1073 
1074 
1075 #ifdef CONFIG_IEEE80211N
hostapd_config_ht_capab(struct hostapd_config * conf,const char * capab)1076 static int hostapd_config_ht_capab(struct hostapd_config *conf,
1077 				   const char *capab)
1078 {
1079 	if (os_strstr(capab, "[LDPC]"))
1080 		conf->ht_capab |= HT_CAP_INFO_LDPC_CODING_CAP;
1081 	if (os_strstr(capab, "[HT40-]")) {
1082 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1083 		conf->secondary_channel = -1;
1084 	}
1085 	if (os_strstr(capab, "[HT40+]")) {
1086 		conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
1087 		conf->secondary_channel = 1;
1088 	}
1089 	if (os_strstr(capab, "[SMPS-STATIC]")) {
1090 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1091 		conf->ht_capab |= HT_CAP_INFO_SMPS_STATIC;
1092 	}
1093 	if (os_strstr(capab, "[SMPS-DYNAMIC]")) {
1094 		conf->ht_capab &= ~HT_CAP_INFO_SMPS_MASK;
1095 		conf->ht_capab |= HT_CAP_INFO_SMPS_DYNAMIC;
1096 	}
1097 	if (os_strstr(capab, "[GF]"))
1098 		conf->ht_capab |= HT_CAP_INFO_GREEN_FIELD;
1099 	if (os_strstr(capab, "[SHORT-GI-20]"))
1100 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI20MHZ;
1101 	if (os_strstr(capab, "[SHORT-GI-40]"))
1102 		conf->ht_capab |= HT_CAP_INFO_SHORT_GI40MHZ;
1103 	if (os_strstr(capab, "[TX-STBC]"))
1104 		conf->ht_capab |= HT_CAP_INFO_TX_STBC;
1105 	if (os_strstr(capab, "[RX-STBC1]")) {
1106 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1107 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_1;
1108 	}
1109 	if (os_strstr(capab, "[RX-STBC12]")) {
1110 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1111 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_12;
1112 	}
1113 	if (os_strstr(capab, "[RX-STBC123]")) {
1114 		conf->ht_capab &= ~HT_CAP_INFO_RX_STBC_MASK;
1115 		conf->ht_capab |= HT_CAP_INFO_RX_STBC_123;
1116 	}
1117 	if (os_strstr(capab, "[DELAYED-BA]"))
1118 		conf->ht_capab |= HT_CAP_INFO_DELAYED_BA;
1119 	if (os_strstr(capab, "[MAX-AMSDU-7935]"))
1120 		conf->ht_capab |= HT_CAP_INFO_MAX_AMSDU_SIZE;
1121 	if (os_strstr(capab, "[DSSS_CCK-40]"))
1122 		conf->ht_capab |= HT_CAP_INFO_DSSS_CCK40MHZ;
1123 	if (os_strstr(capab, "[40-INTOLERANT]"))
1124 		conf->ht_capab |= HT_CAP_INFO_40MHZ_INTOLERANT;
1125 	if (os_strstr(capab, "[LSIG-TXOP-PROT]"))
1126 		conf->ht_capab |= HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT;
1127 
1128 	return 0;
1129 }
1130 #endif /* CONFIG_IEEE80211N */
1131 
1132 
1133 #ifdef CONFIG_IEEE80211AC
hostapd_config_vht_capab(struct hostapd_config * conf,const char * capab)1134 static int hostapd_config_vht_capab(struct hostapd_config *conf,
1135 				    const char *capab)
1136 {
1137 	if (os_strstr(capab, "[MAX-MPDU-7991]"))
1138 		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_7991;
1139 	if (os_strstr(capab, "[MAX-MPDU-11454]"))
1140 		conf->vht_capab |= VHT_CAP_MAX_MPDU_LENGTH_11454;
1141 	if (os_strstr(capab, "[VHT160]"))
1142 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1143 	if (os_strstr(capab, "[VHT160-80PLUS80]"))
1144 		conf->vht_capab |= VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1145 	if (os_strstr(capab, "[RXLDPC]"))
1146 		conf->vht_capab |= VHT_CAP_RXLDPC;
1147 	if (os_strstr(capab, "[SHORT-GI-80]"))
1148 		conf->vht_capab |= VHT_CAP_SHORT_GI_80;
1149 	if (os_strstr(capab, "[SHORT-GI-160]"))
1150 		conf->vht_capab |= VHT_CAP_SHORT_GI_160;
1151 	if (os_strstr(capab, "[TX-STBC-2BY1]"))
1152 		conf->vht_capab |= VHT_CAP_TXSTBC;
1153 	if (os_strstr(capab, "[RX-STBC-1]"))
1154 		conf->vht_capab |= VHT_CAP_RXSTBC_1;
1155 	if (os_strstr(capab, "[RX-STBC-12]"))
1156 		conf->vht_capab |= VHT_CAP_RXSTBC_2;
1157 	if (os_strstr(capab, "[RX-STBC-123]"))
1158 		conf->vht_capab |= VHT_CAP_RXSTBC_3;
1159 	if (os_strstr(capab, "[RX-STBC-1234]"))
1160 		conf->vht_capab |= VHT_CAP_RXSTBC_4;
1161 	if (os_strstr(capab, "[SU-BEAMFORMER]"))
1162 		conf->vht_capab |= VHT_CAP_SU_BEAMFORMER_CAPABLE;
1163 	if (os_strstr(capab, "[SU-BEAMFORMEE]"))
1164 		conf->vht_capab |= VHT_CAP_SU_BEAMFORMEE_CAPABLE;
1165 	if (os_strstr(capab, "[BF-ANTENNA-2]") &&
1166 	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
1167 		conf->vht_capab |= (1 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
1168 	if (os_strstr(capab, "[BF-ANTENNA-3]") &&
1169 	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
1170 		conf->vht_capab |= (2 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
1171 	if (os_strstr(capab, "[BF-ANTENNA-4]") &&
1172 	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMEE_CAPABLE))
1173 		conf->vht_capab |= (3 << VHT_CAP_BEAMFORMEE_STS_OFFSET);
1174 	if (os_strstr(capab, "[SOUNDING-DIMENSION-2]") &&
1175 	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
1176 		conf->vht_capab |= (1 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
1177 	if (os_strstr(capab, "[SOUNDING-DIMENSION-3]") &&
1178 	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
1179 		conf->vht_capab |= (2 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
1180 	if (os_strstr(capab, "[SOUNDING-DIMENSION-4]") &&
1181 	    (conf->vht_capab & VHT_CAP_SU_BEAMFORMER_CAPABLE))
1182 		conf->vht_capab |= (3 << VHT_CAP_SOUNDING_DIMENSION_OFFSET);
1183 	if (os_strstr(capab, "[MU-BEAMFORMER]"))
1184 		conf->vht_capab |= VHT_CAP_MU_BEAMFORMER_CAPABLE;
1185 	if (os_strstr(capab, "[VHT-TXOP-PS]"))
1186 		conf->vht_capab |= VHT_CAP_VHT_TXOP_PS;
1187 	if (os_strstr(capab, "[HTC-VHT]"))
1188 		conf->vht_capab |= VHT_CAP_HTC_VHT;
1189 	if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP7]"))
1190 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX;
1191 	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP6]"))
1192 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_6;
1193 	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP5]"))
1194 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_5;
1195 	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP4]"))
1196 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_4;
1197 	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP3]"))
1198 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_3;
1199 	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP2]"))
1200 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_2;
1201 	else if (os_strstr(capab, "[MAX-A-MPDU-LEN-EXP1]"))
1202 		conf->vht_capab |= VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_1;
1203 	if (os_strstr(capab, "[VHT-LINK-ADAPT2]") &&
1204 	    (conf->vht_capab & VHT_CAP_HTC_VHT))
1205 		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB;
1206 	if (os_strstr(capab, "[VHT-LINK-ADAPT3]") &&
1207 	    (conf->vht_capab & VHT_CAP_HTC_VHT))
1208 		conf->vht_capab |= VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
1209 	if (os_strstr(capab, "[RX-ANTENNA-PATTERN]"))
1210 		conf->vht_capab |= VHT_CAP_RX_ANTENNA_PATTERN;
1211 	if (os_strstr(capab, "[TX-ANTENNA-PATTERN]"))
1212 		conf->vht_capab |= VHT_CAP_TX_ANTENNA_PATTERN;
1213 	return 0;
1214 }
1215 #endif /* CONFIG_IEEE80211AC */
1216 
1217 
1218 #ifdef CONFIG_INTERWORKING
parse_roaming_consortium(struct hostapd_bss_config * bss,char * pos,int line)1219 static int parse_roaming_consortium(struct hostapd_bss_config *bss, char *pos,
1220 				    int line)
1221 {
1222 	size_t len = os_strlen(pos);
1223 	u8 oi[MAX_ROAMING_CONSORTIUM_LEN];
1224 
1225 	struct hostapd_roaming_consortium *rc;
1226 
1227 	if ((len & 1) || len < 2 * 3 || len / 2 > MAX_ROAMING_CONSORTIUM_LEN ||
1228 	    hexstr2bin(pos, oi, len / 2)) {
1229 		wpa_printf(MSG_ERROR, "Line %d: invalid roaming_consortium "
1230 			   "'%s'", line, pos);
1231 		return -1;
1232 	}
1233 	len /= 2;
1234 
1235 	rc = os_realloc_array(bss->roaming_consortium,
1236 			      bss->roaming_consortium_count + 1,
1237 			      sizeof(struct hostapd_roaming_consortium));
1238 	if (rc == NULL)
1239 		return -1;
1240 
1241 	os_memcpy(rc[bss->roaming_consortium_count].oi, oi, len);
1242 	rc[bss->roaming_consortium_count].len = len;
1243 
1244 	bss->roaming_consortium = rc;
1245 	bss->roaming_consortium_count++;
1246 
1247 	return 0;
1248 }
1249 
1250 
parse_lang_string(struct hostapd_lang_string ** array,unsigned int * count,char * pos)1251 static int parse_lang_string(struct hostapd_lang_string **array,
1252 			     unsigned int *count, char *pos)
1253 {
1254 	char *sep, *str = NULL;
1255 	size_t clen, nlen, slen;
1256 	struct hostapd_lang_string *ls;
1257 	int ret = -1;
1258 
1259 	if (*pos == '"' || (*pos == 'P' && pos[1] == '"')) {
1260 		str = wpa_config_parse_string(pos, &slen);
1261 		if (!str)
1262 			return -1;
1263 		pos = str;
1264 	}
1265 
1266 	sep = os_strchr(pos, ':');
1267 	if (sep == NULL)
1268 		goto fail;
1269 	*sep++ = '\0';
1270 
1271 	clen = os_strlen(pos);
1272 	if (clen < 2 || clen > sizeof(ls->lang))
1273 		goto fail;
1274 	nlen = os_strlen(sep);
1275 	if (nlen > 252)
1276 		goto fail;
1277 
1278 	ls = os_realloc_array(*array, *count + 1,
1279 			      sizeof(struct hostapd_lang_string));
1280 	if (ls == NULL)
1281 		goto fail;
1282 
1283 	*array = ls;
1284 	ls = &(*array)[*count];
1285 	(*count)++;
1286 
1287 	os_memset(ls->lang, 0, sizeof(ls->lang));
1288 	os_memcpy(ls->lang, pos, clen);
1289 	ls->name_len = nlen;
1290 	os_memcpy(ls->name, sep, nlen);
1291 
1292 	ret = 0;
1293 fail:
1294 	os_free(str);
1295 	return ret;
1296 }
1297 
1298 
parse_venue_name(struct hostapd_bss_config * bss,char * pos,int line)1299 static int parse_venue_name(struct hostapd_bss_config *bss, char *pos,
1300 			    int line)
1301 {
1302 	if (parse_lang_string(&bss->venue_name, &bss->venue_name_count, pos)) {
1303 		wpa_printf(MSG_ERROR, "Line %d: Invalid venue_name '%s'",
1304 			   line, pos);
1305 		return -1;
1306 	}
1307 	return 0;
1308 }
1309 
1310 
parse_3gpp_cell_net(struct hostapd_bss_config * bss,char * buf,int line)1311 static int parse_3gpp_cell_net(struct hostapd_bss_config *bss, char *buf,
1312 			       int line)
1313 {
1314 	size_t count;
1315 	char *pos;
1316 	u8 *info = NULL, *ipos;
1317 
1318 	/* format: <MCC1,MNC1>[;<MCC2,MNC2>][;...] */
1319 
1320 	count = 1;
1321 	for (pos = buf; *pos; pos++) {
1322 		if ((*pos < '0' || *pos > '9') && *pos != ';' && *pos != ',')
1323 			goto fail;
1324 		if (*pos == ';')
1325 			count++;
1326 	}
1327 	if (1 + count * 3 > 0x7f)
1328 		goto fail;
1329 
1330 	info = os_zalloc(2 + 3 + count * 3);
1331 	if (info == NULL)
1332 		return -1;
1333 
1334 	ipos = info;
1335 	*ipos++ = 0; /* GUD - Version 1 */
1336 	*ipos++ = 3 + count * 3; /* User Data Header Length (UDHL) */
1337 	*ipos++ = 0; /* PLMN List IEI */
1338 	/* ext(b8) | Length of PLMN List value contents(b7..1) */
1339 	*ipos++ = 1 + count * 3;
1340 	*ipos++ = count; /* Number of PLMNs */
1341 
1342 	pos = buf;
1343 	while (pos && *pos) {
1344 		char *mcc, *mnc;
1345 		size_t mnc_len;
1346 
1347 		mcc = pos;
1348 		mnc = os_strchr(pos, ',');
1349 		if (mnc == NULL)
1350 			goto fail;
1351 		*mnc++ = '\0';
1352 		pos = os_strchr(mnc, ';');
1353 		if (pos)
1354 			*pos++ = '\0';
1355 
1356 		mnc_len = os_strlen(mnc);
1357 		if (os_strlen(mcc) != 3 || (mnc_len != 2 && mnc_len != 3))
1358 			goto fail;
1359 
1360 		/* BC coded MCC,MNC */
1361 		/* MCC digit 2 | MCC digit 1 */
1362 		*ipos++ = ((mcc[1] - '0') << 4) | (mcc[0] - '0');
1363 		/* MNC digit 3 | MCC digit 3 */
1364 		*ipos++ = (((mnc_len == 2) ? 0xf0 : ((mnc[2] - '0') << 4))) |
1365 			(mcc[2] - '0');
1366 		/* MNC digit 2 | MNC digit 1 */
1367 		*ipos++ = ((mnc[1] - '0') << 4) | (mnc[0] - '0');
1368 	}
1369 
1370 	os_free(bss->anqp_3gpp_cell_net);
1371 	bss->anqp_3gpp_cell_net = info;
1372 	bss->anqp_3gpp_cell_net_len = 2 + 3 + 3 * count;
1373 	wpa_hexdump(MSG_MSGDUMP, "3GPP Cellular Network information",
1374 		    bss->anqp_3gpp_cell_net, bss->anqp_3gpp_cell_net_len);
1375 
1376 	return 0;
1377 
1378 fail:
1379 	wpa_printf(MSG_ERROR, "Line %d: Invalid anqp_3gpp_cell_net: %s",
1380 		   line, buf);
1381 	os_free(info);
1382 	return -1;
1383 }
1384 
1385 
parse_nai_realm(struct hostapd_bss_config * bss,char * buf,int line)1386 static int parse_nai_realm(struct hostapd_bss_config *bss, char *buf, int line)
1387 {
1388 	struct hostapd_nai_realm_data *realm;
1389 	size_t i, j, len;
1390 	int *offsets;
1391 	char *pos, *end, *rpos;
1392 
1393 	offsets = os_calloc(bss->nai_realm_count * MAX_NAI_REALMS,
1394 			    sizeof(int));
1395 	if (offsets == NULL)
1396 		return -1;
1397 
1398 	for (i = 0; i < bss->nai_realm_count; i++) {
1399 		realm = &bss->nai_realm_data[i];
1400 		for (j = 0; j < MAX_NAI_REALMS; j++) {
1401 			offsets[i * MAX_NAI_REALMS + j] =
1402 				realm->realm[j] ?
1403 				realm->realm[j] - realm->realm_buf : -1;
1404 		}
1405 	}
1406 
1407 	realm = os_realloc_array(bss->nai_realm_data, bss->nai_realm_count + 1,
1408 				 sizeof(struct hostapd_nai_realm_data));
1409 	if (realm == NULL) {
1410 		os_free(offsets);
1411 		return -1;
1412 	}
1413 	bss->nai_realm_data = realm;
1414 
1415 	/* patch the pointers after realloc */
1416 	for (i = 0; i < bss->nai_realm_count; i++) {
1417 		realm = &bss->nai_realm_data[i];
1418 		for (j = 0; j < MAX_NAI_REALMS; j++) {
1419 			int offs = offsets[i * MAX_NAI_REALMS + j];
1420 			if (offs >= 0)
1421 				realm->realm[j] = realm->realm_buf + offs;
1422 			else
1423 				realm->realm[j] = NULL;
1424 		}
1425 	}
1426 	os_free(offsets);
1427 
1428 	realm = &bss->nai_realm_data[bss->nai_realm_count];
1429 	os_memset(realm, 0, sizeof(*realm));
1430 
1431 	pos = buf;
1432 	realm->encoding = atoi(pos);
1433 	pos = os_strchr(pos, ',');
1434 	if (pos == NULL)
1435 		goto fail;
1436 	pos++;
1437 
1438 	end = os_strchr(pos, ',');
1439 	if (end) {
1440 		len = end - pos;
1441 		*end = '\0';
1442 	} else {
1443 		len = os_strlen(pos);
1444 	}
1445 
1446 	if (len > MAX_NAI_REALMLEN) {
1447 		wpa_printf(MSG_ERROR, "Too long a realm string (%d > max %d "
1448 			   "characters)", (int) len, MAX_NAI_REALMLEN);
1449 		goto fail;
1450 	}
1451 	os_memcpy(realm->realm_buf, pos, len);
1452 
1453 	if (end)
1454 		pos = end + 1;
1455 	else
1456 		pos = NULL;
1457 
1458 	while (pos && *pos) {
1459 		struct hostapd_nai_realm_eap *eap;
1460 
1461 		if (realm->eap_method_count >= MAX_NAI_EAP_METHODS) {
1462 			wpa_printf(MSG_ERROR, "Too many EAP methods");
1463 			goto fail;
1464 		}
1465 
1466 		eap = &realm->eap_method[realm->eap_method_count];
1467 		realm->eap_method_count++;
1468 
1469 		end = os_strchr(pos, ',');
1470 		if (end == NULL)
1471 			end = pos + os_strlen(pos);
1472 
1473 		eap->eap_method = atoi(pos);
1474 		for (;;) {
1475 			pos = os_strchr(pos, '[');
1476 			if (pos == NULL || pos > end)
1477 				break;
1478 			pos++;
1479 			if (eap->num_auths >= MAX_NAI_AUTH_TYPES) {
1480 				wpa_printf(MSG_ERROR, "Too many auth params");
1481 				goto fail;
1482 			}
1483 			eap->auth_id[eap->num_auths] = atoi(pos);
1484 			pos = os_strchr(pos, ':');
1485 			if (pos == NULL || pos > end)
1486 				goto fail;
1487 			pos++;
1488 			eap->auth_val[eap->num_auths] = atoi(pos);
1489 			pos = os_strchr(pos, ']');
1490 			if (pos == NULL || pos > end)
1491 				goto fail;
1492 			pos++;
1493 			eap->num_auths++;
1494 		}
1495 
1496 		if (*end != ',')
1497 			break;
1498 
1499 		pos = end + 1;
1500 	}
1501 
1502 	/* Split realm list into null terminated realms */
1503 	rpos = realm->realm_buf;
1504 	i = 0;
1505 	while (*rpos) {
1506 		if (i >= MAX_NAI_REALMS) {
1507 			wpa_printf(MSG_ERROR, "Too many realms");
1508 			goto fail;
1509 		}
1510 		realm->realm[i++] = rpos;
1511 		rpos = os_strchr(rpos, ';');
1512 		if (rpos == NULL)
1513 			break;
1514 		*rpos++ = '\0';
1515 	}
1516 
1517 	bss->nai_realm_count++;
1518 
1519 	return 0;
1520 
1521 fail:
1522 	wpa_printf(MSG_ERROR, "Line %d: invalid nai_realm '%s'", line, buf);
1523 	return -1;
1524 }
1525 
1526 
parse_anqp_elem(struct hostapd_bss_config * bss,char * buf,int line)1527 static int parse_anqp_elem(struct hostapd_bss_config *bss, char *buf, int line)
1528 {
1529 	char *delim;
1530 	u16 infoid;
1531 	size_t len;
1532 	struct wpabuf *payload;
1533 	struct anqp_element *elem;
1534 
1535 	delim = os_strchr(buf, ':');
1536 	if (!delim)
1537 		return -1;
1538 	delim++;
1539 	infoid = atoi(buf);
1540 	len = os_strlen(delim);
1541 	if (len & 1)
1542 		return -1;
1543 	len /= 2;
1544 	payload = wpabuf_alloc(len);
1545 	if (!payload)
1546 		return -1;
1547 	if (hexstr2bin(delim, wpabuf_put(payload, len), len) < 0) {
1548 		wpabuf_free(payload);
1549 		return -1;
1550 	}
1551 
1552 	dl_list_for_each(elem, &bss->anqp_elem, struct anqp_element, list) {
1553 		if (elem->infoid == infoid) {
1554 			/* Update existing entry */
1555 			wpabuf_free(elem->payload);
1556 			elem->payload = payload;
1557 			return 0;
1558 		}
1559 	}
1560 
1561 	/* Add a new entry */
1562 	elem = os_zalloc(sizeof(*elem));
1563 	if (!elem) {
1564 		wpabuf_free(payload);
1565 		return -1;
1566 	}
1567 	elem->infoid = infoid;
1568 	elem->payload = payload;
1569 	dl_list_add(&bss->anqp_elem, &elem->list);
1570 
1571 	return 0;
1572 }
1573 
1574 
parse_qos_map_set(struct hostapd_bss_config * bss,char * buf,int line)1575 static int parse_qos_map_set(struct hostapd_bss_config *bss,
1576 			     char *buf, int line)
1577 {
1578 	u8 qos_map_set[16 + 2 * 21], count = 0;
1579 	char *pos = buf;
1580 	int val;
1581 
1582 	for (;;) {
1583 		if (count == sizeof(qos_map_set)) {
1584 			wpa_printf(MSG_ERROR, "Line %d: Too many qos_map_set "
1585 				   "parameters '%s'", line, buf);
1586 			return -1;
1587 		}
1588 
1589 		val = atoi(pos);
1590 		if (val > 255 || val < 0) {
1591 			wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set "
1592 				   "'%s'", line, buf);
1593 			return -1;
1594 		}
1595 
1596 		qos_map_set[count++] = val;
1597 		pos = os_strchr(pos, ',');
1598 		if (!pos)
1599 			break;
1600 		pos++;
1601 	}
1602 
1603 	if (count < 16 || count & 1) {
1604 		wpa_printf(MSG_ERROR, "Line %d: Invalid qos_map_set '%s'",
1605 			   line, buf);
1606 		return -1;
1607 	}
1608 
1609 	os_memcpy(bss->qos_map_set, qos_map_set, count);
1610 	bss->qos_map_set_len = count;
1611 
1612 	return 0;
1613 }
1614 
1615 #endif /* CONFIG_INTERWORKING */
1616 
1617 
1618 #ifdef CONFIG_HS20
hs20_parse_conn_capab(struct hostapd_bss_config * bss,char * buf,int line)1619 static int hs20_parse_conn_capab(struct hostapd_bss_config *bss, char *buf,
1620 				 int line)
1621 {
1622 	u8 *conn_cap;
1623 	char *pos;
1624 
1625 	if (bss->hs20_connection_capability_len >= 0xfff0)
1626 		return -1;
1627 
1628 	conn_cap = os_realloc(bss->hs20_connection_capability,
1629 			      bss->hs20_connection_capability_len + 4);
1630 	if (conn_cap == NULL)
1631 		return -1;
1632 
1633 	bss->hs20_connection_capability = conn_cap;
1634 	conn_cap += bss->hs20_connection_capability_len;
1635 	pos = buf;
1636 	conn_cap[0] = atoi(pos);
1637 	pos = os_strchr(pos, ':');
1638 	if (pos == NULL)
1639 		return -1;
1640 	pos++;
1641 	WPA_PUT_LE16(conn_cap + 1, atoi(pos));
1642 	pos = os_strchr(pos, ':');
1643 	if (pos == NULL)
1644 		return -1;
1645 	pos++;
1646 	conn_cap[3] = atoi(pos);
1647 	bss->hs20_connection_capability_len += 4;
1648 
1649 	return 0;
1650 }
1651 
1652 
hs20_parse_wan_metrics(struct hostapd_bss_config * bss,char * buf,int line)1653 static int hs20_parse_wan_metrics(struct hostapd_bss_config *bss, char *buf,
1654 				  int line)
1655 {
1656 	u8 *wan_metrics;
1657 	char *pos;
1658 
1659 	/* <WAN Info>:<DL Speed>:<UL Speed>:<DL Load>:<UL Load>:<LMD> */
1660 
1661 	wan_metrics = os_zalloc(13);
1662 	if (wan_metrics == NULL)
1663 		return -1;
1664 
1665 	pos = buf;
1666 	/* WAN Info */
1667 	if (hexstr2bin(pos, wan_metrics, 1) < 0)
1668 		goto fail;
1669 	pos += 2;
1670 	if (*pos != ':')
1671 		goto fail;
1672 	pos++;
1673 
1674 	/* Downlink Speed */
1675 	WPA_PUT_LE32(wan_metrics + 1, atoi(pos));
1676 	pos = os_strchr(pos, ':');
1677 	if (pos == NULL)
1678 		goto fail;
1679 	pos++;
1680 
1681 	/* Uplink Speed */
1682 	WPA_PUT_LE32(wan_metrics + 5, atoi(pos));
1683 	pos = os_strchr(pos, ':');
1684 	if (pos == NULL)
1685 		goto fail;
1686 	pos++;
1687 
1688 	/* Downlink Load */
1689 	wan_metrics[9] = atoi(pos);
1690 	pos = os_strchr(pos, ':');
1691 	if (pos == NULL)
1692 		goto fail;
1693 	pos++;
1694 
1695 	/* Uplink Load */
1696 	wan_metrics[10] = atoi(pos);
1697 	pos = os_strchr(pos, ':');
1698 	if (pos == NULL)
1699 		goto fail;
1700 	pos++;
1701 
1702 	/* LMD */
1703 	WPA_PUT_LE16(wan_metrics + 11, atoi(pos));
1704 
1705 	os_free(bss->hs20_wan_metrics);
1706 	bss->hs20_wan_metrics = wan_metrics;
1707 
1708 	return 0;
1709 
1710 fail:
1711 	wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_wan_metrics '%s'",
1712 		   line, buf);
1713 	os_free(wan_metrics);
1714 	return -1;
1715 }
1716 
1717 
hs20_parse_oper_friendly_name(struct hostapd_bss_config * bss,char * pos,int line)1718 static int hs20_parse_oper_friendly_name(struct hostapd_bss_config *bss,
1719 					 char *pos, int line)
1720 {
1721 	if (parse_lang_string(&bss->hs20_oper_friendly_name,
1722 			      &bss->hs20_oper_friendly_name_count, pos)) {
1723 		wpa_printf(MSG_ERROR, "Line %d: Invalid "
1724 			   "hs20_oper_friendly_name '%s'", line, pos);
1725 		return -1;
1726 	}
1727 	return 0;
1728 }
1729 
1730 
hs20_parse_icon(struct hostapd_bss_config * bss,char * pos)1731 static int hs20_parse_icon(struct hostapd_bss_config *bss, char *pos)
1732 {
1733 	struct hs20_icon *icon;
1734 	char *end;
1735 
1736 	icon = os_realloc_array(bss->hs20_icons, bss->hs20_icons_count + 1,
1737 				sizeof(struct hs20_icon));
1738 	if (icon == NULL)
1739 		return -1;
1740 	bss->hs20_icons = icon;
1741 	icon = &bss->hs20_icons[bss->hs20_icons_count];
1742 	os_memset(icon, 0, sizeof(*icon));
1743 
1744 	icon->width = atoi(pos);
1745 	pos = os_strchr(pos, ':');
1746 	if (pos == NULL)
1747 		return -1;
1748 	pos++;
1749 
1750 	icon->height = atoi(pos);
1751 	pos = os_strchr(pos, ':');
1752 	if (pos == NULL)
1753 		return -1;
1754 	pos++;
1755 
1756 	end = os_strchr(pos, ':');
1757 	if (end == NULL || end - pos > 3)
1758 		return -1;
1759 	os_memcpy(icon->language, pos, end - pos);
1760 	pos = end + 1;
1761 
1762 	end = os_strchr(pos, ':');
1763 	if (end == NULL || end - pos > 255)
1764 		return -1;
1765 	os_memcpy(icon->type, pos, end - pos);
1766 	pos = end + 1;
1767 
1768 	end = os_strchr(pos, ':');
1769 	if (end == NULL || end - pos > 255)
1770 		return -1;
1771 	os_memcpy(icon->name, pos, end - pos);
1772 	pos = end + 1;
1773 
1774 	if (os_strlen(pos) > 255)
1775 		return -1;
1776 	os_memcpy(icon->file, pos, os_strlen(pos));
1777 
1778 	bss->hs20_icons_count++;
1779 
1780 	return 0;
1781 }
1782 
1783 
hs20_parse_osu_ssid(struct hostapd_bss_config * bss,char * pos,int line)1784 static int hs20_parse_osu_ssid(struct hostapd_bss_config *bss,
1785 			       char *pos, int line)
1786 {
1787 	size_t slen;
1788 	char *str;
1789 
1790 	str = wpa_config_parse_string(pos, &slen);
1791 	if (str == NULL || slen < 1 || slen > SSID_MAX_LEN) {
1792 		wpa_printf(MSG_ERROR, "Line %d: Invalid SSID '%s'", line, pos);
1793 		os_free(str);
1794 		return -1;
1795 	}
1796 
1797 	os_memcpy(bss->osu_ssid, str, slen);
1798 	bss->osu_ssid_len = slen;
1799 	os_free(str);
1800 
1801 	return 0;
1802 }
1803 
1804 
hs20_parse_osu_server_uri(struct hostapd_bss_config * bss,char * pos,int line)1805 static int hs20_parse_osu_server_uri(struct hostapd_bss_config *bss,
1806 				     char *pos, int line)
1807 {
1808 	struct hs20_osu_provider *p;
1809 
1810 	p = os_realloc_array(bss->hs20_osu_providers,
1811 			     bss->hs20_osu_providers_count + 1, sizeof(*p));
1812 	if (p == NULL)
1813 		return -1;
1814 
1815 	bss->hs20_osu_providers = p;
1816 	bss->last_osu = &bss->hs20_osu_providers[bss->hs20_osu_providers_count];
1817 	bss->hs20_osu_providers_count++;
1818 	os_memset(bss->last_osu, 0, sizeof(*p));
1819 	bss->last_osu->server_uri = os_strdup(pos);
1820 
1821 	return 0;
1822 }
1823 
1824 
hs20_parse_osu_friendly_name(struct hostapd_bss_config * bss,char * pos,int line)1825 static int hs20_parse_osu_friendly_name(struct hostapd_bss_config *bss,
1826 					char *pos, int line)
1827 {
1828 	if (bss->last_osu == NULL) {
1829 		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1830 		return -1;
1831 	}
1832 
1833 	if (parse_lang_string(&bss->last_osu->friendly_name,
1834 			      &bss->last_osu->friendly_name_count, pos)) {
1835 		wpa_printf(MSG_ERROR, "Line %d: Invalid osu_friendly_name '%s'",
1836 			   line, pos);
1837 		return -1;
1838 	}
1839 
1840 	return 0;
1841 }
1842 
1843 
hs20_parse_osu_nai(struct hostapd_bss_config * bss,char * pos,int line)1844 static int hs20_parse_osu_nai(struct hostapd_bss_config *bss,
1845 			      char *pos, int line)
1846 {
1847 	if (bss->last_osu == NULL) {
1848 		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1849 		return -1;
1850 	}
1851 
1852 	os_free(bss->last_osu->osu_nai);
1853 	bss->last_osu->osu_nai = os_strdup(pos);
1854 	if (bss->last_osu->osu_nai == NULL)
1855 		return -1;
1856 
1857 	return 0;
1858 }
1859 
1860 
hs20_parse_osu_method_list(struct hostapd_bss_config * bss,char * pos,int line)1861 static int hs20_parse_osu_method_list(struct hostapd_bss_config *bss, char *pos,
1862 				      int line)
1863 {
1864 	if (bss->last_osu == NULL) {
1865 		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1866 		return -1;
1867 	}
1868 
1869 	if (hostapd_parse_intlist(&bss->last_osu->method_list, pos)) {
1870 		wpa_printf(MSG_ERROR, "Line %d: Invalid osu_method_list", line);
1871 		return -1;
1872 	}
1873 
1874 	return 0;
1875 }
1876 
1877 
hs20_parse_osu_icon(struct hostapd_bss_config * bss,char * pos,int line)1878 static int hs20_parse_osu_icon(struct hostapd_bss_config *bss, char *pos,
1879 			       int line)
1880 {
1881 	char **n;
1882 	struct hs20_osu_provider *p = bss->last_osu;
1883 
1884 	if (p == NULL) {
1885 		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1886 		return -1;
1887 	}
1888 
1889 	n = os_realloc_array(p->icons, p->icons_count + 1, sizeof(char *));
1890 	if (n == NULL)
1891 		return -1;
1892 	p->icons = n;
1893 	p->icons[p->icons_count] = os_strdup(pos);
1894 	if (p->icons[p->icons_count] == NULL)
1895 		return -1;
1896 	p->icons_count++;
1897 
1898 	return 0;
1899 }
1900 
1901 
hs20_parse_osu_service_desc(struct hostapd_bss_config * bss,char * pos,int line)1902 static int hs20_parse_osu_service_desc(struct hostapd_bss_config *bss,
1903 				       char *pos, int line)
1904 {
1905 	if (bss->last_osu == NULL) {
1906 		wpa_printf(MSG_ERROR, "Line %d: Unexpected OSU field", line);
1907 		return -1;
1908 	}
1909 
1910 	if (parse_lang_string(&bss->last_osu->service_desc,
1911 			      &bss->last_osu->service_desc_count, pos)) {
1912 		wpa_printf(MSG_ERROR, "Line %d: Invalid osu_service_desc '%s'",
1913 			   line, pos);
1914 		return -1;
1915 	}
1916 
1917 	return 0;
1918 }
1919 
1920 #endif /* CONFIG_HS20 */
1921 
1922 
1923 #ifdef CONFIG_WPS_NFC
hostapd_parse_bin(const char * buf)1924 static struct wpabuf * hostapd_parse_bin(const char *buf)
1925 {
1926 	size_t len;
1927 	struct wpabuf *ret;
1928 
1929 	len = os_strlen(buf);
1930 	if (len & 0x01)
1931 		return NULL;
1932 	len /= 2;
1933 
1934 	ret = wpabuf_alloc(len);
1935 	if (ret == NULL)
1936 		return NULL;
1937 
1938 	if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
1939 		wpabuf_free(ret);
1940 		return NULL;
1941 	}
1942 
1943 	return ret;
1944 }
1945 #endif /* CONFIG_WPS_NFC */
1946 
1947 
1948 #ifdef CONFIG_ACS
hostapd_config_parse_acs_chan_bias(struct hostapd_config * conf,char * pos)1949 static int hostapd_config_parse_acs_chan_bias(struct hostapd_config *conf,
1950 					      char *pos)
1951 {
1952 	struct acs_bias *bias = NULL, *tmp;
1953 	unsigned int num = 0;
1954 	char *end;
1955 
1956 	while (*pos) {
1957 		tmp = os_realloc_array(bias, num + 1, sizeof(*bias));
1958 		if (!tmp)
1959 			goto fail;
1960 		bias = tmp;
1961 
1962 		bias[num].channel = atoi(pos);
1963 		if (bias[num].channel <= 0)
1964 			goto fail;
1965 		pos = os_strchr(pos, ':');
1966 		if (!pos)
1967 			goto fail;
1968 		pos++;
1969 		bias[num].bias = strtod(pos, &end);
1970 		if (end == pos || bias[num].bias < 0.0)
1971 			goto fail;
1972 		pos = end;
1973 		if (*pos != ' ' && *pos != '\0')
1974 			goto fail;
1975 		num++;
1976 	}
1977 
1978 	os_free(conf->acs_chan_bias);
1979 	conf->acs_chan_bias = bias;
1980 	conf->num_acs_chan_bias = num;
1981 
1982 	return 0;
1983 fail:
1984 	os_free(bias);
1985 	return -1;
1986 }
1987 #endif /* CONFIG_ACS */
1988 
1989 
hostapd_config_fill(struct hostapd_config * conf,struct hostapd_bss_config * bss,const char * buf,char * pos,int line)1990 static int hostapd_config_fill(struct hostapd_config *conf,
1991 			       struct hostapd_bss_config *bss,
1992 			       const char *buf, char *pos, int line)
1993 {
1994 	if (os_strcmp(buf, "interface") == 0) {
1995 		os_strlcpy(conf->bss[0]->iface, pos,
1996 			   sizeof(conf->bss[0]->iface));
1997 	} else if (os_strcmp(buf, "bridge") == 0) {
1998 		os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
1999 	} else if (os_strcmp(buf, "vlan_bridge") == 0) {
2000 		os_strlcpy(bss->vlan_bridge, pos, sizeof(bss->vlan_bridge));
2001 	} else if (os_strcmp(buf, "wds_bridge") == 0) {
2002 		os_strlcpy(bss->wds_bridge, pos, sizeof(bss->wds_bridge));
2003 	} else if (os_strcmp(buf, "driver") == 0) {
2004 		int j;
2005 		/* clear to get error below if setting is invalid */
2006 		conf->driver = NULL;
2007 		for (j = 0; wpa_drivers[j]; j++) {
2008 			if (os_strcmp(pos, wpa_drivers[j]->name) == 0) {
2009 				conf->driver = wpa_drivers[j];
2010 				break;
2011 			}
2012 		}
2013 		if (conf->driver == NULL) {
2014 			wpa_printf(MSG_ERROR,
2015 				   "Line %d: invalid/unknown driver '%s'",
2016 				   line, pos);
2017 			return 1;
2018 		}
2019 	} else if (os_strcmp(buf, "driver_params") == 0) {
2020 		os_free(conf->driver_params);
2021 		conf->driver_params = os_strdup(pos);
2022 	} else if (os_strcmp(buf, "debug") == 0) {
2023 		wpa_printf(MSG_DEBUG, "Line %d: DEPRECATED: 'debug' configuration variable is not used anymore",
2024 			   line);
2025 	} else if (os_strcmp(buf, "logger_syslog_level") == 0) {
2026 		bss->logger_syslog_level = atoi(pos);
2027 	} else if (os_strcmp(buf, "logger_stdout_level") == 0) {
2028 		bss->logger_stdout_level = atoi(pos);
2029 	} else if (os_strcmp(buf, "logger_syslog") == 0) {
2030 		bss->logger_syslog = atoi(pos);
2031 	} else if (os_strcmp(buf, "logger_stdout") == 0) {
2032 		bss->logger_stdout = atoi(pos);
2033 	} else if (os_strcmp(buf, "dump_file") == 0) {
2034 		wpa_printf(MSG_INFO, "Line %d: DEPRECATED: 'dump_file' configuration variable is not used anymore",
2035 			   line);
2036 	} else if (os_strcmp(buf, "ssid") == 0) {
2037 		bss->ssid.ssid_len = os_strlen(pos);
2038 		if (bss->ssid.ssid_len > SSID_MAX_LEN ||
2039 		    bss->ssid.ssid_len < 1) {
2040 			wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
2041 				   line, pos);
2042 			return 1;
2043 		}
2044 		os_memcpy(bss->ssid.ssid, pos, bss->ssid.ssid_len);
2045 		bss->ssid.ssid_set = 1;
2046 	} else if (os_strcmp(buf, "ssid2") == 0) {
2047 		size_t slen;
2048 		char *str = wpa_config_parse_string(pos, &slen);
2049 		if (str == NULL || slen < 1 || slen > SSID_MAX_LEN) {
2050 			wpa_printf(MSG_ERROR, "Line %d: invalid SSID '%s'",
2051 				   line, pos);
2052 			os_free(str);
2053 			return 1;
2054 		}
2055 		os_memcpy(bss->ssid.ssid, str, slen);
2056 		bss->ssid.ssid_len = slen;
2057 		bss->ssid.ssid_set = 1;
2058 		os_free(str);
2059 	} else if (os_strcmp(buf, "utf8_ssid") == 0) {
2060 		bss->ssid.utf8_ssid = atoi(pos) > 0;
2061 	} else if (os_strcmp(buf, "macaddr_acl") == 0) {
2062 		bss->macaddr_acl = atoi(pos);
2063 		if (bss->macaddr_acl != ACCEPT_UNLESS_DENIED &&
2064 		    bss->macaddr_acl != DENY_UNLESS_ACCEPTED &&
2065 		    bss->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
2066 			wpa_printf(MSG_ERROR, "Line %d: unknown macaddr_acl %d",
2067 				   line, bss->macaddr_acl);
2068 		}
2069 	} else if (os_strcmp(buf, "accept_mac_file") == 0) {
2070 		if (hostapd_config_read_maclist(pos, &bss->accept_mac,
2071 						&bss->num_accept_mac)) {
2072 			wpa_printf(MSG_ERROR, "Line %d: Failed to read accept_mac_file '%s'",
2073 				   line, pos);
2074 			return 1;
2075 		}
2076 	} else if (os_strcmp(buf, "deny_mac_file") == 0) {
2077 		if (hostapd_config_read_maclist(pos, &bss->deny_mac,
2078 						&bss->num_deny_mac)) {
2079 			wpa_printf(MSG_ERROR, "Line %d: Failed to read deny_mac_file '%s'",
2080 				   line, pos);
2081 			return 1;
2082 		}
2083 	} else if (os_strcmp(buf, "wds_sta") == 0) {
2084 		bss->wds_sta = atoi(pos);
2085 	} else if (os_strcmp(buf, "start_disabled") == 0) {
2086 		bss->start_disabled = atoi(pos);
2087 	} else if (os_strcmp(buf, "ap_isolate") == 0) {
2088 		bss->isolate = atoi(pos);
2089 	} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
2090 		bss->ap_max_inactivity = atoi(pos);
2091 	} else if (os_strcmp(buf, "skip_inactivity_poll") == 0) {
2092 		bss->skip_inactivity_poll = atoi(pos);
2093 	} else if (os_strcmp(buf, "country_code") == 0) {
2094 		os_memcpy(conf->country, pos, 2);
2095 		/* FIX: make this configurable */
2096 		conf->country[2] = ' ';
2097 	} else if (os_strcmp(buf, "ieee80211d") == 0) {
2098 		conf->ieee80211d = atoi(pos);
2099 	} else if (os_strcmp(buf, "ieee80211h") == 0) {
2100 		conf->ieee80211h = atoi(pos);
2101 	} else if (os_strcmp(buf, "ieee8021x") == 0) {
2102 		bss->ieee802_1x = atoi(pos);
2103 	} else if (os_strcmp(buf, "eapol_version") == 0) {
2104 		bss->eapol_version = atoi(pos);
2105 		if (bss->eapol_version < 1 || bss->eapol_version > 2) {
2106 			wpa_printf(MSG_ERROR,
2107 				   "Line %d: invalid EAPOL version (%d): '%s'.",
2108 				   line, bss->eapol_version, pos);
2109 			return 1;
2110 		}
2111 		wpa_printf(MSG_DEBUG, "eapol_version=%d", bss->eapol_version);
2112 #ifdef EAP_SERVER
2113 	} else if (os_strcmp(buf, "eap_authenticator") == 0) {
2114 		bss->eap_server = atoi(pos);
2115 		wpa_printf(MSG_ERROR, "Line %d: obsolete eap_authenticator used; this has been renamed to eap_server", line);
2116 	} else if (os_strcmp(buf, "eap_server") == 0) {
2117 		bss->eap_server = atoi(pos);
2118 	} else if (os_strcmp(buf, "eap_user_file") == 0) {
2119 		if (hostapd_config_read_eap_user(pos, bss))
2120 			return 1;
2121 	} else if (os_strcmp(buf, "ca_cert") == 0) {
2122 		os_free(bss->ca_cert);
2123 		bss->ca_cert = os_strdup(pos);
2124 	} else if (os_strcmp(buf, "server_cert") == 0) {
2125 		os_free(bss->server_cert);
2126 		bss->server_cert = os_strdup(pos);
2127 	} else if (os_strcmp(buf, "private_key") == 0) {
2128 		os_free(bss->private_key);
2129 		bss->private_key = os_strdup(pos);
2130 	} else if (os_strcmp(buf, "private_key_passwd") == 0) {
2131 		os_free(bss->private_key_passwd);
2132 		bss->private_key_passwd = os_strdup(pos);
2133 	} else if (os_strcmp(buf, "check_crl") == 0) {
2134 		bss->check_crl = atoi(pos);
2135 	} else if (os_strcmp(buf, "tls_session_lifetime") == 0) {
2136 		bss->tls_session_lifetime = atoi(pos);
2137 	} else if (os_strcmp(buf, "ocsp_stapling_response") == 0) {
2138 		os_free(bss->ocsp_stapling_response);
2139 		bss->ocsp_stapling_response = os_strdup(pos);
2140 	} else if (os_strcmp(buf, "ocsp_stapling_response_multi") == 0) {
2141 		os_free(bss->ocsp_stapling_response_multi);
2142 		bss->ocsp_stapling_response_multi = os_strdup(pos);
2143 	} else if (os_strcmp(buf, "dh_file") == 0) {
2144 		os_free(bss->dh_file);
2145 		bss->dh_file = os_strdup(pos);
2146 	} else if (os_strcmp(buf, "openssl_ciphers") == 0) {
2147 		os_free(bss->openssl_ciphers);
2148 		bss->openssl_ciphers = os_strdup(pos);
2149 	} else if (os_strcmp(buf, "fragment_size") == 0) {
2150 		bss->fragment_size = atoi(pos);
2151 #ifdef EAP_SERVER_FAST
2152 	} else if (os_strcmp(buf, "pac_opaque_encr_key") == 0) {
2153 		os_free(bss->pac_opaque_encr_key);
2154 		bss->pac_opaque_encr_key = os_malloc(16);
2155 		if (bss->pac_opaque_encr_key == NULL) {
2156 			wpa_printf(MSG_ERROR,
2157 				   "Line %d: No memory for pac_opaque_encr_key",
2158 				   line);
2159 			return 1;
2160 		} else if (hexstr2bin(pos, bss->pac_opaque_encr_key, 16)) {
2161 			wpa_printf(MSG_ERROR, "Line %d: Invalid pac_opaque_encr_key",
2162 				   line);
2163 			return 1;
2164 		}
2165 	} else if (os_strcmp(buf, "eap_fast_a_id") == 0) {
2166 		size_t idlen = os_strlen(pos);
2167 		if (idlen & 1) {
2168 			wpa_printf(MSG_ERROR, "Line %d: Invalid eap_fast_a_id",
2169 				   line);
2170 			return 1;
2171 		}
2172 		os_free(bss->eap_fast_a_id);
2173 		bss->eap_fast_a_id = os_malloc(idlen / 2);
2174 		if (bss->eap_fast_a_id == NULL ||
2175 		    hexstr2bin(pos, bss->eap_fast_a_id, idlen / 2)) {
2176 			wpa_printf(MSG_ERROR, "Line %d: Failed to parse eap_fast_a_id",
2177 				   line);
2178 			os_free(bss->eap_fast_a_id);
2179 			bss->eap_fast_a_id = NULL;
2180 			return 1;
2181 		} else {
2182 			bss->eap_fast_a_id_len = idlen / 2;
2183 		}
2184 	} else if (os_strcmp(buf, "eap_fast_a_id_info") == 0) {
2185 		os_free(bss->eap_fast_a_id_info);
2186 		bss->eap_fast_a_id_info = os_strdup(pos);
2187 	} else if (os_strcmp(buf, "eap_fast_prov") == 0) {
2188 		bss->eap_fast_prov = atoi(pos);
2189 	} else if (os_strcmp(buf, "pac_key_lifetime") == 0) {
2190 		bss->pac_key_lifetime = atoi(pos);
2191 	} else if (os_strcmp(buf, "pac_key_refresh_time") == 0) {
2192 		bss->pac_key_refresh_time = atoi(pos);
2193 #endif /* EAP_SERVER_FAST */
2194 #ifdef EAP_SERVER_SIM
2195 	} else if (os_strcmp(buf, "eap_sim_db") == 0) {
2196 		os_free(bss->eap_sim_db);
2197 		bss->eap_sim_db = os_strdup(pos);
2198 	} else if (os_strcmp(buf, "eap_sim_db_timeout") == 0) {
2199 		bss->eap_sim_db_timeout = atoi(pos);
2200 	} else if (os_strcmp(buf, "eap_sim_aka_result_ind") == 0) {
2201 		bss->eap_sim_aka_result_ind = atoi(pos);
2202 #endif /* EAP_SERVER_SIM */
2203 #ifdef EAP_SERVER_TNC
2204 	} else if (os_strcmp(buf, "tnc") == 0) {
2205 		bss->tnc = atoi(pos);
2206 #endif /* EAP_SERVER_TNC */
2207 #ifdef EAP_SERVER_PWD
2208 	} else if (os_strcmp(buf, "pwd_group") == 0) {
2209 		bss->pwd_group = atoi(pos);
2210 #endif /* EAP_SERVER_PWD */
2211 	} else if (os_strcmp(buf, "eap_server_erp") == 0) {
2212 		bss->eap_server_erp = atoi(pos);
2213 #endif /* EAP_SERVER */
2214 	} else if (os_strcmp(buf, "eap_message") == 0) {
2215 		char *term;
2216 		os_free(bss->eap_req_id_text);
2217 		bss->eap_req_id_text = os_strdup(pos);
2218 		if (bss->eap_req_id_text == NULL) {
2219 			wpa_printf(MSG_ERROR, "Line %d: Failed to allocate memory for eap_req_id_text",
2220 				   line);
2221 			return 1;
2222 		}
2223 		bss->eap_req_id_text_len = os_strlen(bss->eap_req_id_text);
2224 		term = os_strstr(bss->eap_req_id_text, "\\0");
2225 		if (term) {
2226 			*term++ = '\0';
2227 			os_memmove(term, term + 1,
2228 				   bss->eap_req_id_text_len -
2229 				   (term - bss->eap_req_id_text) - 1);
2230 			bss->eap_req_id_text_len--;
2231 		}
2232 	} else if (os_strcmp(buf, "erp_send_reauth_start") == 0) {
2233 		bss->erp_send_reauth_start = atoi(pos);
2234 	} else if (os_strcmp(buf, "erp_domain") == 0) {
2235 		os_free(bss->erp_domain);
2236 		bss->erp_domain = os_strdup(pos);
2237 	} else if (os_strcmp(buf, "wep_key_len_broadcast") == 0) {
2238 		bss->default_wep_key_len = atoi(pos);
2239 		if (bss->default_wep_key_len > 13) {
2240 			wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %lu (= %lu bits)",
2241 				   line,
2242 				   (unsigned long) bss->default_wep_key_len,
2243 				   (unsigned long)
2244 				   bss->default_wep_key_len * 8);
2245 			return 1;
2246 		}
2247 	} else if (os_strcmp(buf, "wep_key_len_unicast") == 0) {
2248 		bss->individual_wep_key_len = atoi(pos);
2249 		if (bss->individual_wep_key_len < 0 ||
2250 		    bss->individual_wep_key_len > 13) {
2251 			wpa_printf(MSG_ERROR, "Line %d: invalid WEP key len %d (= %d bits)",
2252 				   line, bss->individual_wep_key_len,
2253 				   bss->individual_wep_key_len * 8);
2254 			return 1;
2255 		}
2256 	} else if (os_strcmp(buf, "wep_rekey_period") == 0) {
2257 		bss->wep_rekeying_period = atoi(pos);
2258 		if (bss->wep_rekeying_period < 0) {
2259 			wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
2260 				   line, bss->wep_rekeying_period);
2261 			return 1;
2262 		}
2263 	} else if (os_strcmp(buf, "eap_reauth_period") == 0) {
2264 		bss->eap_reauth_period = atoi(pos);
2265 		if (bss->eap_reauth_period < 0) {
2266 			wpa_printf(MSG_ERROR, "Line %d: invalid period %d",
2267 				   line, bss->eap_reauth_period);
2268 			return 1;
2269 		}
2270 	} else if (os_strcmp(buf, "eapol_key_index_workaround") == 0) {
2271 		bss->eapol_key_index_workaround = atoi(pos);
2272 #ifdef CONFIG_IAPP
2273 	} else if (os_strcmp(buf, "iapp_interface") == 0) {
2274 		bss->ieee802_11f = 1;
2275 		os_strlcpy(bss->iapp_iface, pos, sizeof(bss->iapp_iface));
2276 #endif /* CONFIG_IAPP */
2277 	} else if (os_strcmp(buf, "own_ip_addr") == 0) {
2278 		if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
2279 			wpa_printf(MSG_ERROR,
2280 				   "Line %d: invalid IP address '%s'",
2281 				   line, pos);
2282 			return 1;
2283 		}
2284 	} else if (os_strcmp(buf, "nas_identifier") == 0) {
2285 		os_free(bss->nas_identifier);
2286 		bss->nas_identifier = os_strdup(pos);
2287 #ifndef CONFIG_NO_RADIUS
2288 	} else if (os_strcmp(buf, "radius_client_addr") == 0) {
2289 		if (hostapd_parse_ip_addr(pos, &bss->radius->client_addr)) {
2290 			wpa_printf(MSG_ERROR,
2291 				   "Line %d: invalid IP address '%s'",
2292 				   line, pos);
2293 			return 1;
2294 		}
2295 		bss->radius->force_client_addr = 1;
2296 	} else if (os_strcmp(buf, "auth_server_addr") == 0) {
2297 		if (hostapd_config_read_radius_addr(
2298 			    &bss->radius->auth_servers,
2299 			    &bss->radius->num_auth_servers, pos, 1812,
2300 			    &bss->radius->auth_server)) {
2301 			wpa_printf(MSG_ERROR,
2302 				   "Line %d: invalid IP address '%s'",
2303 				   line, pos);
2304 			return 1;
2305 		}
2306 	} else if (bss->radius->auth_server &&
2307 		   os_strcmp(buf, "auth_server_addr_replace") == 0) {
2308 		if (hostapd_parse_ip_addr(pos,
2309 					  &bss->radius->auth_server->addr)) {
2310 			wpa_printf(MSG_ERROR,
2311 				   "Line %d: invalid IP address '%s'",
2312 				   line, pos);
2313 			return 1;
2314 		}
2315 	} else if (bss->radius->auth_server &&
2316 		   os_strcmp(buf, "auth_server_port") == 0) {
2317 		bss->radius->auth_server->port = atoi(pos);
2318 	} else if (bss->radius->auth_server &&
2319 		   os_strcmp(buf, "auth_server_shared_secret") == 0) {
2320 		int len = os_strlen(pos);
2321 		if (len == 0) {
2322 			/* RFC 2865, Ch. 3 */
2323 			wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
2324 				   line);
2325 			return 1;
2326 		}
2327 		os_free(bss->radius->auth_server->shared_secret);
2328 		bss->radius->auth_server->shared_secret = (u8 *) os_strdup(pos);
2329 		bss->radius->auth_server->shared_secret_len = len;
2330 	} else if (os_strcmp(buf, "acct_server_addr") == 0) {
2331 		if (hostapd_config_read_radius_addr(
2332 			    &bss->radius->acct_servers,
2333 			    &bss->radius->num_acct_servers, pos, 1813,
2334 			    &bss->radius->acct_server)) {
2335 			wpa_printf(MSG_ERROR,
2336 				   "Line %d: invalid IP address '%s'",
2337 				   line, pos);
2338 			return 1;
2339 		}
2340 	} else if (bss->radius->acct_server &&
2341 		   os_strcmp(buf, "acct_server_addr_replace") == 0) {
2342 		if (hostapd_parse_ip_addr(pos,
2343 					  &bss->radius->acct_server->addr)) {
2344 			wpa_printf(MSG_ERROR,
2345 				   "Line %d: invalid IP address '%s'",
2346 				   line, pos);
2347 			return 1;
2348 		}
2349 	} else if (bss->radius->acct_server &&
2350 		   os_strcmp(buf, "acct_server_port") == 0) {
2351 		bss->radius->acct_server->port = atoi(pos);
2352 	} else if (bss->radius->acct_server &&
2353 		   os_strcmp(buf, "acct_server_shared_secret") == 0) {
2354 		int len = os_strlen(pos);
2355 		if (len == 0) {
2356 			/* RFC 2865, Ch. 3 */
2357 			wpa_printf(MSG_ERROR, "Line %d: empty shared secret is not allowed",
2358 				   line);
2359 			return 1;
2360 		}
2361 		os_free(bss->radius->acct_server->shared_secret);
2362 		bss->radius->acct_server->shared_secret = (u8 *) os_strdup(pos);
2363 		bss->radius->acct_server->shared_secret_len = len;
2364 	} else if (os_strcmp(buf, "radius_retry_primary_interval") == 0) {
2365 		bss->radius->retry_primary_interval = atoi(pos);
2366 	} else if (os_strcmp(buf, "radius_acct_interim_interval") == 0) {
2367 		bss->acct_interim_interval = atoi(pos);
2368 	} else if (os_strcmp(buf, "radius_request_cui") == 0) {
2369 		bss->radius_request_cui = atoi(pos);
2370 	} else if (os_strcmp(buf, "radius_auth_req_attr") == 0) {
2371 		struct hostapd_radius_attr *attr, *a;
2372 		attr = hostapd_parse_radius_attr(pos);
2373 		if (attr == NULL) {
2374 			wpa_printf(MSG_ERROR,
2375 				   "Line %d: invalid radius_auth_req_attr",
2376 				   line);
2377 			return 1;
2378 		} else if (bss->radius_auth_req_attr == NULL) {
2379 			bss->radius_auth_req_attr = attr;
2380 		} else {
2381 			a = bss->radius_auth_req_attr;
2382 			while (a->next)
2383 				a = a->next;
2384 			a->next = attr;
2385 		}
2386 	} else if (os_strcmp(buf, "radius_acct_req_attr") == 0) {
2387 		struct hostapd_radius_attr *attr, *a;
2388 		attr = hostapd_parse_radius_attr(pos);
2389 		if (attr == NULL) {
2390 			wpa_printf(MSG_ERROR,
2391 				   "Line %d: invalid radius_acct_req_attr",
2392 				   line);
2393 			return 1;
2394 		} else if (bss->radius_acct_req_attr == NULL) {
2395 			bss->radius_acct_req_attr = attr;
2396 		} else {
2397 			a = bss->radius_acct_req_attr;
2398 			while (a->next)
2399 				a = a->next;
2400 			a->next = attr;
2401 		}
2402 	} else if (os_strcmp(buf, "radius_das_port") == 0) {
2403 		bss->radius_das_port = atoi(pos);
2404 	} else if (os_strcmp(buf, "radius_das_client") == 0) {
2405 		if (hostapd_parse_das_client(bss, pos) < 0) {
2406 			wpa_printf(MSG_ERROR, "Line %d: invalid DAS client",
2407 				   line);
2408 			return 1;
2409 		}
2410 	} else if (os_strcmp(buf, "radius_das_time_window") == 0) {
2411 		bss->radius_das_time_window = atoi(pos);
2412 	} else if (os_strcmp(buf, "radius_das_require_event_timestamp") == 0) {
2413 		bss->radius_das_require_event_timestamp = atoi(pos);
2414 #endif /* CONFIG_NO_RADIUS */
2415 	} else if (os_strcmp(buf, "auth_algs") == 0) {
2416 		bss->auth_algs = atoi(pos);
2417 		if (bss->auth_algs == 0) {
2418 			wpa_printf(MSG_ERROR, "Line %d: no authentication algorithms allowed",
2419 				   line);
2420 			return 1;
2421 		}
2422 	} else if (os_strcmp(buf, "max_num_sta") == 0) {
2423 		bss->max_num_sta = atoi(pos);
2424 		if (bss->max_num_sta < 0 ||
2425 		    bss->max_num_sta > MAX_STA_COUNT) {
2426 			wpa_printf(MSG_ERROR, "Line %d: Invalid max_num_sta=%d; allowed range 0..%d",
2427 				   line, bss->max_num_sta, MAX_STA_COUNT);
2428 			return 1;
2429 		}
2430 	} else if (os_strcmp(buf, "wpa") == 0) {
2431 		bss->wpa = atoi(pos);
2432 	} else if (os_strcmp(buf, "wpa_group_rekey") == 0) {
2433 		bss->wpa_group_rekey = atoi(pos);
2434 	} else if (os_strcmp(buf, "wpa_strict_rekey") == 0) {
2435 		bss->wpa_strict_rekey = atoi(pos);
2436 	} else if (os_strcmp(buf, "wpa_gmk_rekey") == 0) {
2437 		bss->wpa_gmk_rekey = atoi(pos);
2438 	} else if (os_strcmp(buf, "wpa_ptk_rekey") == 0) {
2439 		bss->wpa_ptk_rekey = atoi(pos);
2440 	} else if (os_strcmp(buf, "wpa_passphrase") == 0) {
2441 		int len = os_strlen(pos);
2442 		if (len < 8 || len > 63) {
2443 			wpa_printf(MSG_ERROR, "Line %d: invalid WPA passphrase length %d (expected 8..63)",
2444 				   line, len);
2445 			return 1;
2446 		}
2447 		os_free(bss->ssid.wpa_passphrase);
2448 		bss->ssid.wpa_passphrase = os_strdup(pos);
2449 		if (bss->ssid.wpa_passphrase) {
2450 			hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
2451 			bss->ssid.wpa_passphrase_set = 1;
2452 		}
2453 	} else if (os_strcmp(buf, "wpa_psk") == 0) {
2454 		hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
2455 		bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
2456 		if (bss->ssid.wpa_psk == NULL)
2457 			return 1;
2458 		if (hexstr2bin(pos, bss->ssid.wpa_psk->psk, PMK_LEN) ||
2459 		    pos[PMK_LEN * 2] != '\0') {
2460 			wpa_printf(MSG_ERROR, "Line %d: Invalid PSK '%s'.",
2461 				   line, pos);
2462 			hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
2463 			return 1;
2464 		}
2465 		bss->ssid.wpa_psk->group = 1;
2466 		os_free(bss->ssid.wpa_passphrase);
2467 		bss->ssid.wpa_passphrase = NULL;
2468 		bss->ssid.wpa_psk_set = 1;
2469 	} else if (os_strcmp(buf, "wpa_psk_file") == 0) {
2470 		os_free(bss->ssid.wpa_psk_file);
2471 		bss->ssid.wpa_psk_file = os_strdup(pos);
2472 		if (!bss->ssid.wpa_psk_file) {
2473 			wpa_printf(MSG_ERROR, "Line %d: allocation failed",
2474 				   line);
2475 			return 1;
2476 		}
2477 	} else if (os_strcmp(buf, "wpa_key_mgmt") == 0) {
2478 		bss->wpa_key_mgmt = hostapd_config_parse_key_mgmt(line, pos);
2479 		if (bss->wpa_key_mgmt == -1)
2480 			return 1;
2481 	} else if (os_strcmp(buf, "wpa_psk_radius") == 0) {
2482 		bss->wpa_psk_radius = atoi(pos);
2483 		if (bss->wpa_psk_radius != PSK_RADIUS_IGNORED &&
2484 		    bss->wpa_psk_radius != PSK_RADIUS_ACCEPTED &&
2485 		    bss->wpa_psk_radius != PSK_RADIUS_REQUIRED) {
2486 			wpa_printf(MSG_ERROR,
2487 				   "Line %d: unknown wpa_psk_radius %d",
2488 				   line, bss->wpa_psk_radius);
2489 			return 1;
2490 		}
2491 	} else if (os_strcmp(buf, "wpa_pairwise") == 0) {
2492 		bss->wpa_pairwise = hostapd_config_parse_cipher(line, pos);
2493 		if (bss->wpa_pairwise == -1 || bss->wpa_pairwise == 0)
2494 			return 1;
2495 		if (bss->wpa_pairwise &
2496 		    (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
2497 			wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2498 				   bss->wpa_pairwise, pos);
2499 			return 1;
2500 		}
2501 	} else if (os_strcmp(buf, "rsn_pairwise") == 0) {
2502 		bss->rsn_pairwise = hostapd_config_parse_cipher(line, pos);
2503 		if (bss->rsn_pairwise == -1 || bss->rsn_pairwise == 0)
2504 			return 1;
2505 		if (bss->rsn_pairwise &
2506 		    (WPA_CIPHER_NONE | WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104)) {
2507 			wpa_printf(MSG_ERROR, "Line %d: unsupported pairwise cipher suite '%s'",
2508 				   bss->rsn_pairwise, pos);
2509 			return 1;
2510 		}
2511 #ifdef CONFIG_RSN_PREAUTH
2512 	} else if (os_strcmp(buf, "rsn_preauth") == 0) {
2513 		bss->rsn_preauth = atoi(pos);
2514 	} else if (os_strcmp(buf, "rsn_preauth_interfaces") == 0) {
2515 		os_free(bss->rsn_preauth_interfaces);
2516 		bss->rsn_preauth_interfaces = os_strdup(pos);
2517 #endif /* CONFIG_RSN_PREAUTH */
2518 #ifdef CONFIG_PEERKEY
2519 	} else if (os_strcmp(buf, "peerkey") == 0) {
2520 		bss->peerkey = atoi(pos);
2521 #endif /* CONFIG_PEERKEY */
2522 #ifdef CONFIG_IEEE80211R
2523 	} else if (os_strcmp(buf, "mobility_domain") == 0) {
2524 		if (os_strlen(pos) != 2 * MOBILITY_DOMAIN_ID_LEN ||
2525 		    hexstr2bin(pos, bss->mobility_domain,
2526 			       MOBILITY_DOMAIN_ID_LEN) != 0) {
2527 			wpa_printf(MSG_ERROR,
2528 				   "Line %d: Invalid mobility_domain '%s'",
2529 				   line, pos);
2530 			return 1;
2531 		}
2532 	} else if (os_strcmp(buf, "r1_key_holder") == 0) {
2533 		if (os_strlen(pos) != 2 * FT_R1KH_ID_LEN ||
2534 		    hexstr2bin(pos, bss->r1_key_holder, FT_R1KH_ID_LEN) != 0) {
2535 			wpa_printf(MSG_ERROR,
2536 				   "Line %d: Invalid r1_key_holder '%s'",
2537 				   line, pos);
2538 			return 1;
2539 		}
2540 	} else if (os_strcmp(buf, "r0_key_lifetime") == 0) {
2541 		bss->r0_key_lifetime = atoi(pos);
2542 	} else if (os_strcmp(buf, "reassociation_deadline") == 0) {
2543 		bss->reassociation_deadline = atoi(pos);
2544 	} else if (os_strcmp(buf, "r0kh") == 0) {
2545 		if (add_r0kh(bss, pos) < 0) {
2546 			wpa_printf(MSG_DEBUG, "Line %d: Invalid r0kh '%s'",
2547 				   line, pos);
2548 			return 1;
2549 		}
2550 	} else if (os_strcmp(buf, "r1kh") == 0) {
2551 		if (add_r1kh(bss, pos) < 0) {
2552 			wpa_printf(MSG_DEBUG, "Line %d: Invalid r1kh '%s'",
2553 				   line, pos);
2554 			return 1;
2555 		}
2556 	} else if (os_strcmp(buf, "pmk_r1_push") == 0) {
2557 		bss->pmk_r1_push = atoi(pos);
2558 	} else if (os_strcmp(buf, "ft_over_ds") == 0) {
2559 		bss->ft_over_ds = atoi(pos);
2560 #endif /* CONFIG_IEEE80211R */
2561 #ifndef CONFIG_NO_CTRL_IFACE
2562 	} else if (os_strcmp(buf, "ctrl_interface") == 0) {
2563 		os_free(bss->ctrl_interface);
2564 		bss->ctrl_interface = os_strdup(pos);
2565 	} else if (os_strcmp(buf, "ctrl_interface_group") == 0) {
2566 #ifndef CONFIG_NATIVE_WINDOWS
2567 		struct group *grp;
2568 		char *endp;
2569 		const char *group = pos;
2570 
2571 		grp = getgrnam(group);
2572 		if (grp) {
2573 			bss->ctrl_interface_gid = grp->gr_gid;
2574 			bss->ctrl_interface_gid_set = 1;
2575 			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d (from group name '%s')",
2576 				   bss->ctrl_interface_gid, group);
2577 			return 0;
2578 		}
2579 
2580 		/* Group name not found - try to parse this as gid */
2581 		bss->ctrl_interface_gid = strtol(group, &endp, 10);
2582 		if (*group == '\0' || *endp != '\0') {
2583 			wpa_printf(MSG_DEBUG, "Line %d: Invalid group '%s'",
2584 				   line, group);
2585 			return 1;
2586 		}
2587 		bss->ctrl_interface_gid_set = 1;
2588 		wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
2589 			   bss->ctrl_interface_gid);
2590 #endif /* CONFIG_NATIVE_WINDOWS */
2591 #endif /* CONFIG_NO_CTRL_IFACE */
2592 #ifdef RADIUS_SERVER
2593 	} else if (os_strcmp(buf, "radius_server_clients") == 0) {
2594 		os_free(bss->radius_server_clients);
2595 		bss->radius_server_clients = os_strdup(pos);
2596 	} else if (os_strcmp(buf, "radius_server_auth_port") == 0) {
2597 		bss->radius_server_auth_port = atoi(pos);
2598 	} else if (os_strcmp(buf, "radius_server_acct_port") == 0) {
2599 		bss->radius_server_acct_port = atoi(pos);
2600 	} else if (os_strcmp(buf, "radius_server_ipv6") == 0) {
2601 		bss->radius_server_ipv6 = atoi(pos);
2602 #endif /* RADIUS_SERVER */
2603 	} else if (os_strcmp(buf, "use_pae_group_addr") == 0) {
2604 		bss->use_pae_group_addr = atoi(pos);
2605 	} else if (os_strcmp(buf, "hw_mode") == 0) {
2606 		if (os_strcmp(pos, "a") == 0)
2607 			conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
2608 		else if (os_strcmp(pos, "b") == 0)
2609 			conf->hw_mode = HOSTAPD_MODE_IEEE80211B;
2610 		else if (os_strcmp(pos, "g") == 0)
2611 			conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
2612 		else if (os_strcmp(pos, "ad") == 0)
2613 			conf->hw_mode = HOSTAPD_MODE_IEEE80211AD;
2614 		else if (os_strcmp(pos, "any") == 0)
2615 			conf->hw_mode = HOSTAPD_MODE_IEEE80211ANY;
2616 		else {
2617 			wpa_printf(MSG_ERROR, "Line %d: unknown hw_mode '%s'",
2618 				   line, pos);
2619 			return 1;
2620 		}
2621 	} else if (os_strcmp(buf, "wps_rf_bands") == 0) {
2622 		if (os_strcmp(pos, "ad") == 0)
2623 			bss->wps_rf_bands = WPS_RF_60GHZ;
2624 		else if (os_strcmp(pos, "a") == 0)
2625 			bss->wps_rf_bands = WPS_RF_50GHZ;
2626 		else if (os_strcmp(pos, "g") == 0 ||
2627 			 os_strcmp(pos, "b") == 0)
2628 			bss->wps_rf_bands = WPS_RF_24GHZ;
2629 		else if (os_strcmp(pos, "ag") == 0 ||
2630 			 os_strcmp(pos, "ga") == 0)
2631 			bss->wps_rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
2632 		else {
2633 			wpa_printf(MSG_ERROR,
2634 				   "Line %d: unknown wps_rf_band '%s'",
2635 				   line, pos);
2636 			return 1;
2637 		}
2638 	} else if (os_strcmp(buf, "channel") == 0) {
2639 		if (os_strcmp(pos, "acs_survey") == 0) {
2640 #ifndef CONFIG_ACS
2641 			wpa_printf(MSG_ERROR, "Line %d: tries to enable ACS but CONFIG_ACS disabled",
2642 				   line);
2643 			return 1;
2644 #else /* CONFIG_ACS */
2645 			conf->acs = 1;
2646 			conf->channel = 0;
2647 #endif /* CONFIG_ACS */
2648 		} else {
2649 			conf->channel = atoi(pos);
2650 			conf->acs = conf->channel == 0;
2651 		}
2652 	} else if (os_strcmp(buf, "chanlist") == 0) {
2653 		if (hostapd_parse_chanlist(conf, pos)) {
2654 			wpa_printf(MSG_ERROR, "Line %d: invalid channel list",
2655 				   line);
2656 			return 1;
2657 		}
2658 	} else if (os_strcmp(buf, "beacon_int") == 0) {
2659 		int val = atoi(pos);
2660 		/* MIB defines range as 1..65535, but very small values
2661 		 * cause problems with the current implementation.
2662 		 * Since it is unlikely that this small numbers are
2663 		 * useful in real life scenarios, do not allow beacon
2664 		 * period to be set below 15 TU. */
2665 		if (val < 15 || val > 65535) {
2666 			wpa_printf(MSG_ERROR, "Line %d: invalid beacon_int %d (expected 15..65535)",
2667 				   line, val);
2668 			return 1;
2669 		}
2670 		conf->beacon_int = val;
2671 #ifdef CONFIG_ACS
2672 	} else if (os_strcmp(buf, "acs_num_scans") == 0) {
2673 		int val = atoi(pos);
2674 		if (val <= 0 || val > 100) {
2675 			wpa_printf(MSG_ERROR, "Line %d: invalid acs_num_scans %d (expected 1..100)",
2676 				   line, val);
2677 			return 1;
2678 		}
2679 		conf->acs_num_scans = val;
2680 	} else if (os_strcmp(buf, "acs_chan_bias") == 0) {
2681 		if (hostapd_config_parse_acs_chan_bias(conf, pos)) {
2682 			wpa_printf(MSG_ERROR, "Line %d: invalid acs_chan_bias",
2683 				   line);
2684 			return -1;
2685 		}
2686 #endif /* CONFIG_ACS */
2687 	} else if (os_strcmp(buf, "dtim_period") == 0) {
2688 		bss->dtim_period = atoi(pos);
2689 		if (bss->dtim_period < 1 || bss->dtim_period > 255) {
2690 			wpa_printf(MSG_ERROR, "Line %d: invalid dtim_period %d",
2691 				   line, bss->dtim_period);
2692 			return 1;
2693 		}
2694 	} else if (os_strcmp(buf, "bss_load_update_period") == 0) {
2695 		bss->bss_load_update_period = atoi(pos);
2696 		if (bss->bss_load_update_period < 0 ||
2697 		    bss->bss_load_update_period > 100) {
2698 			wpa_printf(MSG_ERROR,
2699 				   "Line %d: invalid bss_load_update_period %d",
2700 				   line, bss->bss_load_update_period);
2701 			return 1;
2702 		}
2703 	} else if (os_strcmp(buf, "rts_threshold") == 0) {
2704 		conf->rts_threshold = atoi(pos);
2705 		if (conf->rts_threshold < -1 || conf->rts_threshold > 65535) {
2706 			wpa_printf(MSG_ERROR,
2707 				   "Line %d: invalid rts_threshold %d",
2708 				   line, conf->rts_threshold);
2709 			return 1;
2710 		}
2711 	} else if (os_strcmp(buf, "fragm_threshold") == 0) {
2712 		conf->fragm_threshold = atoi(pos);
2713 		if (conf->fragm_threshold == -1) {
2714 			/* allow a value of -1 */
2715 		} else if (conf->fragm_threshold < 256 ||
2716 			   conf->fragm_threshold > 2346) {
2717 			wpa_printf(MSG_ERROR,
2718 				   "Line %d: invalid fragm_threshold %d",
2719 				   line, conf->fragm_threshold);
2720 			return 1;
2721 		}
2722 	} else if (os_strcmp(buf, "send_probe_response") == 0) {
2723 		int val = atoi(pos);
2724 		if (val != 0 && val != 1) {
2725 			wpa_printf(MSG_ERROR, "Line %d: invalid send_probe_response %d (expected 0 or 1)",
2726 				   line, val);
2727 			return 1;
2728 		}
2729 		conf->send_probe_response = val;
2730 	} else if (os_strcmp(buf, "supported_rates") == 0) {
2731 		if (hostapd_parse_intlist(&conf->supported_rates, pos)) {
2732 			wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2733 				   line);
2734 			return 1;
2735 		}
2736 	} else if (os_strcmp(buf, "basic_rates") == 0) {
2737 		if (hostapd_parse_intlist(&conf->basic_rates, pos)) {
2738 			wpa_printf(MSG_ERROR, "Line %d: invalid rate list",
2739 				   line);
2740 			return 1;
2741 		}
2742 	} else if (os_strcmp(buf, "preamble") == 0) {
2743 		if (atoi(pos))
2744 			conf->preamble = SHORT_PREAMBLE;
2745 		else
2746 			conf->preamble = LONG_PREAMBLE;
2747 	} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
2748 		bss->ignore_broadcast_ssid = atoi(pos);
2749 	} else if (os_strcmp(buf, "no_probe_resp_if_max_sta") == 0) {
2750 		bss->no_probe_resp_if_max_sta = atoi(pos);
2751 	} else if (os_strcmp(buf, "wep_default_key") == 0) {
2752 		bss->ssid.wep.idx = atoi(pos);
2753 		if (bss->ssid.wep.idx > 3) {
2754 			wpa_printf(MSG_ERROR,
2755 				   "Invalid wep_default_key index %d",
2756 				   bss->ssid.wep.idx);
2757 			return 1;
2758 		}
2759 	} else if (os_strcmp(buf, "wep_key0") == 0 ||
2760 		   os_strcmp(buf, "wep_key1") == 0 ||
2761 		   os_strcmp(buf, "wep_key2") == 0 ||
2762 		   os_strcmp(buf, "wep_key3") == 0) {
2763 		if (hostapd_config_read_wep(&bss->ssid.wep,
2764 					    buf[7] - '0', pos)) {
2765 			wpa_printf(MSG_ERROR, "Line %d: invalid WEP key '%s'",
2766 				   line, buf);
2767 			return 1;
2768 		}
2769 #ifndef CONFIG_NO_VLAN
2770 	} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
2771 		bss->ssid.dynamic_vlan = atoi(pos);
2772 	} else if (os_strcmp(buf, "per_sta_vif") == 0) {
2773 		bss->ssid.per_sta_vif = atoi(pos);
2774 	} else if (os_strcmp(buf, "vlan_file") == 0) {
2775 		if (hostapd_config_read_vlan_file(bss, pos)) {
2776 			wpa_printf(MSG_ERROR, "Line %d: failed to read VLAN file '%s'",
2777 				   line, pos);
2778 			return 1;
2779 		}
2780 	} else if (os_strcmp(buf, "vlan_naming") == 0) {
2781 		bss->ssid.vlan_naming = atoi(pos);
2782 		if (bss->ssid.vlan_naming >= DYNAMIC_VLAN_NAMING_END ||
2783 		    bss->ssid.vlan_naming < 0) {
2784 			wpa_printf(MSG_ERROR,
2785 				   "Line %d: invalid naming scheme %d",
2786 				   line, bss->ssid.vlan_naming);
2787 			return 1;
2788 		}
2789 #ifdef CONFIG_FULL_DYNAMIC_VLAN
2790 	} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
2791 		os_free(bss->ssid.vlan_tagged_interface);
2792 		bss->ssid.vlan_tagged_interface = os_strdup(pos);
2793 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
2794 #endif /* CONFIG_NO_VLAN */
2795 	} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
2796 		conf->ap_table_max_size = atoi(pos);
2797 	} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
2798 		conf->ap_table_expiration_time = atoi(pos);
2799 	} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
2800 		if (hostapd_config_tx_queue(conf, buf, pos)) {
2801 			wpa_printf(MSG_ERROR, "Line %d: invalid TX queue item",
2802 				   line);
2803 			return 1;
2804 		}
2805 	} else if (os_strcmp(buf, "wme_enabled") == 0 ||
2806 		   os_strcmp(buf, "wmm_enabled") == 0) {
2807 		bss->wmm_enabled = atoi(pos);
2808 	} else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
2809 		bss->wmm_uapsd = atoi(pos);
2810 	} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
2811 		   os_strncmp(buf, "wmm_ac_", 7) == 0) {
2812 		if (hostapd_config_wmm_ac(conf->wmm_ac_params, buf, pos)) {
2813 			wpa_printf(MSG_ERROR, "Line %d: invalid WMM ac item",
2814 				   line);
2815 			return 1;
2816 		}
2817 	} else if (os_strcmp(buf, "bss") == 0) {
2818 		if (hostapd_config_bss(conf, pos)) {
2819 			wpa_printf(MSG_ERROR, "Line %d: invalid bss item",
2820 				   line);
2821 			return 1;
2822 		}
2823 	} else if (os_strcmp(buf, "bssid") == 0) {
2824 		if (hwaddr_aton(pos, bss->bssid)) {
2825 			wpa_printf(MSG_ERROR, "Line %d: invalid bssid item",
2826 				   line);
2827 			return 1;
2828 		}
2829 	} else if (os_strcmp(buf, "use_driver_iface_addr") == 0) {
2830 		conf->use_driver_iface_addr = atoi(pos);
2831 #ifdef CONFIG_IEEE80211W
2832 	} else if (os_strcmp(buf, "ieee80211w") == 0) {
2833 		bss->ieee80211w = atoi(pos);
2834 	} else if (os_strcmp(buf, "group_mgmt_cipher") == 0) {
2835 		if (os_strcmp(pos, "AES-128-CMAC") == 0) {
2836 			bss->group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC;
2837 		} else if (os_strcmp(pos, "BIP-GMAC-128") == 0) {
2838 			bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_128;
2839 		} else if (os_strcmp(pos, "BIP-GMAC-256") == 0) {
2840 			bss->group_mgmt_cipher = WPA_CIPHER_BIP_GMAC_256;
2841 		} else if (os_strcmp(pos, "BIP-CMAC-256") == 0) {
2842 			bss->group_mgmt_cipher = WPA_CIPHER_BIP_CMAC_256;
2843 		} else {
2844 			wpa_printf(MSG_ERROR, "Line %d: invalid group_mgmt_cipher: %s",
2845 				   line, pos);
2846 			return 1;
2847 		}
2848 	} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
2849 		bss->assoc_sa_query_max_timeout = atoi(pos);
2850 		if (bss->assoc_sa_query_max_timeout == 0) {
2851 			wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_max_timeout",
2852 				   line);
2853 			return 1;
2854 		}
2855 	} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0) {
2856 		bss->assoc_sa_query_retry_timeout = atoi(pos);
2857 		if (bss->assoc_sa_query_retry_timeout == 0) {
2858 			wpa_printf(MSG_ERROR, "Line %d: invalid assoc_sa_query_retry_timeout",
2859 				   line);
2860 			return 1;
2861 		}
2862 #endif /* CONFIG_IEEE80211W */
2863 #ifdef CONFIG_IEEE80211N
2864 	} else if (os_strcmp(buf, "ieee80211n") == 0) {
2865 		conf->ieee80211n = atoi(pos);
2866 	} else if (os_strcmp(buf, "ht_capab") == 0) {
2867 		if (hostapd_config_ht_capab(conf, pos) < 0) {
2868 			wpa_printf(MSG_ERROR, "Line %d: invalid ht_capab",
2869 				   line);
2870 			return 1;
2871 		}
2872 	} else if (os_strcmp(buf, "require_ht") == 0) {
2873 		conf->require_ht = atoi(pos);
2874 	} else if (os_strcmp(buf, "obss_interval") == 0) {
2875 		conf->obss_interval = atoi(pos);
2876 #endif /* CONFIG_IEEE80211N */
2877 #ifdef CONFIG_IEEE80211AC
2878 	} else if (os_strcmp(buf, "ieee80211ac") == 0) {
2879 		conf->ieee80211ac = atoi(pos);
2880 	} else if (os_strcmp(buf, "vht_capab") == 0) {
2881 		if (hostapd_config_vht_capab(conf, pos) < 0) {
2882 			wpa_printf(MSG_ERROR, "Line %d: invalid vht_capab",
2883 				   line);
2884 			return 1;
2885 		}
2886 	} else if (os_strcmp(buf, "require_vht") == 0) {
2887 		conf->require_vht = atoi(pos);
2888 	} else if (os_strcmp(buf, "vht_oper_chwidth") == 0) {
2889 		conf->vht_oper_chwidth = atoi(pos);
2890 	} else if (os_strcmp(buf, "vht_oper_centr_freq_seg0_idx") == 0) {
2891 		conf->vht_oper_centr_freq_seg0_idx = atoi(pos);
2892 	} else if (os_strcmp(buf, "vht_oper_centr_freq_seg1_idx") == 0) {
2893 		conf->vht_oper_centr_freq_seg1_idx = atoi(pos);
2894 	} else if (os_strcmp(buf, "vendor_vht") == 0) {
2895 		bss->vendor_vht = atoi(pos);
2896 #endif /* CONFIG_IEEE80211AC */
2897 	} else if (os_strcmp(buf, "max_listen_interval") == 0) {
2898 		bss->max_listen_interval = atoi(pos);
2899 	} else if (os_strcmp(buf, "disable_pmksa_caching") == 0) {
2900 		bss->disable_pmksa_caching = atoi(pos);
2901 	} else if (os_strcmp(buf, "okc") == 0) {
2902 		bss->okc = atoi(pos);
2903 #ifdef CONFIG_WPS
2904 	} else if (os_strcmp(buf, "wps_state") == 0) {
2905 		bss->wps_state = atoi(pos);
2906 		if (bss->wps_state < 0 || bss->wps_state > 2) {
2907 			wpa_printf(MSG_ERROR, "Line %d: invalid wps_state",
2908 				   line);
2909 			return 1;
2910 		}
2911 	} else if (os_strcmp(buf, "wps_independent") == 0) {
2912 		bss->wps_independent = atoi(pos);
2913 	} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
2914 		bss->ap_setup_locked = atoi(pos);
2915 	} else if (os_strcmp(buf, "uuid") == 0) {
2916 		if (uuid_str2bin(pos, bss->uuid)) {
2917 			wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
2918 			return 1;
2919 		}
2920 	} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
2921 		os_free(bss->wps_pin_requests);
2922 		bss->wps_pin_requests = os_strdup(pos);
2923 	} else if (os_strcmp(buf, "device_name") == 0) {
2924 		if (os_strlen(pos) > WPS_DEV_NAME_MAX_LEN) {
2925 			wpa_printf(MSG_ERROR, "Line %d: Too long "
2926 				   "device_name", line);
2927 			return 1;
2928 		}
2929 		os_free(bss->device_name);
2930 		bss->device_name = os_strdup(pos);
2931 	} else if (os_strcmp(buf, "manufacturer") == 0) {
2932 		if (os_strlen(pos) > 64) {
2933 			wpa_printf(MSG_ERROR, "Line %d: Too long manufacturer",
2934 				   line);
2935 			return 1;
2936 		}
2937 		os_free(bss->manufacturer);
2938 		bss->manufacturer = os_strdup(pos);
2939 	} else if (os_strcmp(buf, "model_name") == 0) {
2940 		if (os_strlen(pos) > 32) {
2941 			wpa_printf(MSG_ERROR, "Line %d: Too long model_name",
2942 				   line);
2943 			return 1;
2944 		}
2945 		os_free(bss->model_name);
2946 		bss->model_name = os_strdup(pos);
2947 	} else if (os_strcmp(buf, "model_number") == 0) {
2948 		if (os_strlen(pos) > 32) {
2949 			wpa_printf(MSG_ERROR, "Line %d: Too long model_number",
2950 				   line);
2951 			return 1;
2952 		}
2953 		os_free(bss->model_number);
2954 		bss->model_number = os_strdup(pos);
2955 	} else if (os_strcmp(buf, "serial_number") == 0) {
2956 		if (os_strlen(pos) > 32) {
2957 			wpa_printf(MSG_ERROR, "Line %d: Too long serial_number",
2958 				   line);
2959 			return 1;
2960 		}
2961 		os_free(bss->serial_number);
2962 		bss->serial_number = os_strdup(pos);
2963 	} else if (os_strcmp(buf, "device_type") == 0) {
2964 		if (wps_dev_type_str2bin(pos, bss->device_type))
2965 			return 1;
2966 	} else if (os_strcmp(buf, "config_methods") == 0) {
2967 		os_free(bss->config_methods);
2968 		bss->config_methods = os_strdup(pos);
2969 	} else if (os_strcmp(buf, "os_version") == 0) {
2970 		if (hexstr2bin(pos, bss->os_version, 4)) {
2971 			wpa_printf(MSG_ERROR, "Line %d: invalid os_version",
2972 				   line);
2973 			return 1;
2974 		}
2975 	} else if (os_strcmp(buf, "ap_pin") == 0) {
2976 		os_free(bss->ap_pin);
2977 		bss->ap_pin = os_strdup(pos);
2978 	} else if (os_strcmp(buf, "skip_cred_build") == 0) {
2979 		bss->skip_cred_build = atoi(pos);
2980 	} else if (os_strcmp(buf, "extra_cred") == 0) {
2981 		os_free(bss->extra_cred);
2982 		bss->extra_cred = (u8 *) os_readfile(pos, &bss->extra_cred_len);
2983 		if (bss->extra_cred == NULL) {
2984 			wpa_printf(MSG_ERROR, "Line %d: could not read Credentials from '%s'",
2985 				   line, pos);
2986 			return 1;
2987 		}
2988 	} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
2989 		bss->wps_cred_processing = atoi(pos);
2990 	} else if (os_strcmp(buf, "ap_settings") == 0) {
2991 		os_free(bss->ap_settings);
2992 		bss->ap_settings =
2993 			(u8 *) os_readfile(pos, &bss->ap_settings_len);
2994 		if (bss->ap_settings == NULL) {
2995 			wpa_printf(MSG_ERROR, "Line %d: could not read AP Settings from '%s'",
2996 				   line, pos);
2997 			return 1;
2998 		}
2999 	} else if (os_strcmp(buf, "upnp_iface") == 0) {
3000 		os_free(bss->upnp_iface);
3001 		bss->upnp_iface = os_strdup(pos);
3002 	} else if (os_strcmp(buf, "friendly_name") == 0) {
3003 		os_free(bss->friendly_name);
3004 		bss->friendly_name = os_strdup(pos);
3005 	} else if (os_strcmp(buf, "manufacturer_url") == 0) {
3006 		os_free(bss->manufacturer_url);
3007 		bss->manufacturer_url = os_strdup(pos);
3008 	} else if (os_strcmp(buf, "model_description") == 0) {
3009 		os_free(bss->model_description);
3010 		bss->model_description = os_strdup(pos);
3011 	} else if (os_strcmp(buf, "model_url") == 0) {
3012 		os_free(bss->model_url);
3013 		bss->model_url = os_strdup(pos);
3014 	} else if (os_strcmp(buf, "upc") == 0) {
3015 		os_free(bss->upc);
3016 		bss->upc = os_strdup(pos);
3017 	} else if (os_strcmp(buf, "pbc_in_m1") == 0) {
3018 		bss->pbc_in_m1 = atoi(pos);
3019 	} else if (os_strcmp(buf, "server_id") == 0) {
3020 		os_free(bss->server_id);
3021 		bss->server_id = os_strdup(pos);
3022 #ifdef CONFIG_WPS_NFC
3023 	} else if (os_strcmp(buf, "wps_nfc_dev_pw_id") == 0) {
3024 		bss->wps_nfc_dev_pw_id = atoi(pos);
3025 		if (bss->wps_nfc_dev_pw_id < 0x10 ||
3026 		    bss->wps_nfc_dev_pw_id > 0xffff) {
3027 			wpa_printf(MSG_ERROR, "Line %d: Invalid wps_nfc_dev_pw_id value",
3028 				   line);
3029 			return 1;
3030 		}
3031 		bss->wps_nfc_pw_from_config = 1;
3032 	} else if (os_strcmp(buf, "wps_nfc_dh_pubkey") == 0) {
3033 		wpabuf_free(bss->wps_nfc_dh_pubkey);
3034 		bss->wps_nfc_dh_pubkey = hostapd_parse_bin(pos);
3035 		bss->wps_nfc_pw_from_config = 1;
3036 	} else if (os_strcmp(buf, "wps_nfc_dh_privkey") == 0) {
3037 		wpabuf_free(bss->wps_nfc_dh_privkey);
3038 		bss->wps_nfc_dh_privkey = hostapd_parse_bin(pos);
3039 		bss->wps_nfc_pw_from_config = 1;
3040 	} else if (os_strcmp(buf, "wps_nfc_dev_pw") == 0) {
3041 		wpabuf_free(bss->wps_nfc_dev_pw);
3042 		bss->wps_nfc_dev_pw = hostapd_parse_bin(pos);
3043 		bss->wps_nfc_pw_from_config = 1;
3044 #endif /* CONFIG_WPS_NFC */
3045 #endif /* CONFIG_WPS */
3046 #ifdef CONFIG_P2P_MANAGER
3047 	} else if (os_strcmp(buf, "manage_p2p") == 0) {
3048 		if (atoi(pos))
3049 			bss->p2p |= P2P_MANAGE;
3050 		else
3051 			bss->p2p &= ~P2P_MANAGE;
3052 	} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
3053 		if (atoi(pos))
3054 			bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
3055 		else
3056 			bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
3057 #endif /* CONFIG_P2P_MANAGER */
3058 	} else if (os_strcmp(buf, "disassoc_low_ack") == 0) {
3059 		bss->disassoc_low_ack = atoi(pos);
3060 	} else if (os_strcmp(buf, "tdls_prohibit") == 0) {
3061 		if (atoi(pos))
3062 			bss->tdls |= TDLS_PROHIBIT;
3063 		else
3064 			bss->tdls &= ~TDLS_PROHIBIT;
3065 	} else if (os_strcmp(buf, "tdls_prohibit_chan_switch") == 0) {
3066 		if (atoi(pos))
3067 			bss->tdls |= TDLS_PROHIBIT_CHAN_SWITCH;
3068 		else
3069 			bss->tdls &= ~TDLS_PROHIBIT_CHAN_SWITCH;
3070 #ifdef CONFIG_RSN_TESTING
3071 	} else if (os_strcmp(buf, "rsn_testing") == 0) {
3072 		extern int rsn_testing;
3073 		rsn_testing = atoi(pos);
3074 #endif /* CONFIG_RSN_TESTING */
3075 	} else if (os_strcmp(buf, "time_advertisement") == 0) {
3076 		bss->time_advertisement = atoi(pos);
3077 	} else if (os_strcmp(buf, "time_zone") == 0) {
3078 		size_t tz_len = os_strlen(pos);
3079 		if (tz_len < 4 || tz_len > 255) {
3080 			wpa_printf(MSG_DEBUG, "Line %d: invalid time_zone",
3081 				   line);
3082 			return 1;
3083 		}
3084 		os_free(bss->time_zone);
3085 		bss->time_zone = os_strdup(pos);
3086 		if (bss->time_zone == NULL)
3087 			return 1;
3088 #ifdef CONFIG_WNM
3089 	} else if (os_strcmp(buf, "wnm_sleep_mode") == 0) {
3090 		bss->wnm_sleep_mode = atoi(pos);
3091 	} else if (os_strcmp(buf, "bss_transition") == 0) {
3092 		bss->bss_transition = atoi(pos);
3093 #endif /* CONFIG_WNM */
3094 #ifdef CONFIG_INTERWORKING
3095 	} else if (os_strcmp(buf, "interworking") == 0) {
3096 		bss->interworking = atoi(pos);
3097 	} else if (os_strcmp(buf, "access_network_type") == 0) {
3098 		bss->access_network_type = atoi(pos);
3099 		if (bss->access_network_type < 0 ||
3100 		    bss->access_network_type > 15) {
3101 			wpa_printf(MSG_ERROR,
3102 				   "Line %d: invalid access_network_type",
3103 				   line);
3104 			return 1;
3105 		}
3106 	} else if (os_strcmp(buf, "internet") == 0) {
3107 		bss->internet = atoi(pos);
3108 	} else if (os_strcmp(buf, "asra") == 0) {
3109 		bss->asra = atoi(pos);
3110 	} else if (os_strcmp(buf, "esr") == 0) {
3111 		bss->esr = atoi(pos);
3112 	} else if (os_strcmp(buf, "uesa") == 0) {
3113 		bss->uesa = atoi(pos);
3114 	} else if (os_strcmp(buf, "venue_group") == 0) {
3115 		bss->venue_group = atoi(pos);
3116 		bss->venue_info_set = 1;
3117 	} else if (os_strcmp(buf, "venue_type") == 0) {
3118 		bss->venue_type = atoi(pos);
3119 		bss->venue_info_set = 1;
3120 	} else if (os_strcmp(buf, "hessid") == 0) {
3121 		if (hwaddr_aton(pos, bss->hessid)) {
3122 			wpa_printf(MSG_ERROR, "Line %d: invalid hessid", line);
3123 			return 1;
3124 		}
3125 	} else if (os_strcmp(buf, "roaming_consortium") == 0) {
3126 		if (parse_roaming_consortium(bss, pos, line) < 0)
3127 			return 1;
3128 	} else if (os_strcmp(buf, "venue_name") == 0) {
3129 		if (parse_venue_name(bss, pos, line) < 0)
3130 			return 1;
3131 	} else if (os_strcmp(buf, "network_auth_type") == 0) {
3132 		u8 auth_type;
3133 		u16 redirect_url_len;
3134 		if (hexstr2bin(pos, &auth_type, 1)) {
3135 			wpa_printf(MSG_ERROR,
3136 				   "Line %d: Invalid network_auth_type '%s'",
3137 				   line, pos);
3138 			return 1;
3139 		}
3140 		if (auth_type == 0 || auth_type == 2)
3141 			redirect_url_len = os_strlen(pos + 2);
3142 		else
3143 			redirect_url_len = 0;
3144 		os_free(bss->network_auth_type);
3145 		bss->network_auth_type = os_malloc(redirect_url_len + 3 + 1);
3146 		if (bss->network_auth_type == NULL)
3147 			return 1;
3148 		*bss->network_auth_type = auth_type;
3149 		WPA_PUT_LE16(bss->network_auth_type + 1, redirect_url_len);
3150 		if (redirect_url_len)
3151 			os_memcpy(bss->network_auth_type + 3, pos + 2,
3152 				  redirect_url_len);
3153 		bss->network_auth_type_len = 3 + redirect_url_len;
3154 	} else if (os_strcmp(buf, "ipaddr_type_availability") == 0) {
3155 		if (hexstr2bin(pos, &bss->ipaddr_type_availability, 1)) {
3156 			wpa_printf(MSG_ERROR, "Line %d: Invalid ipaddr_type_availability '%s'",
3157 				   line, pos);
3158 			bss->ipaddr_type_configured = 0;
3159 			return 1;
3160 		}
3161 		bss->ipaddr_type_configured = 1;
3162 	} else if (os_strcmp(buf, "domain_name") == 0) {
3163 		int j, num_domains, domain_len, domain_list_len = 0;
3164 		char *tok_start, *tok_prev;
3165 		u8 *domain_list, *domain_ptr;
3166 
3167 		domain_list_len = os_strlen(pos) + 1;
3168 		domain_list = os_malloc(domain_list_len);
3169 		if (domain_list == NULL)
3170 			return 1;
3171 
3172 		domain_ptr = domain_list;
3173 		tok_prev = pos;
3174 		num_domains = 1;
3175 		while ((tok_prev = os_strchr(tok_prev, ','))) {
3176 			num_domains++;
3177 			tok_prev++;
3178 		}
3179 		tok_prev = pos;
3180 		for (j = 0; j < num_domains; j++) {
3181 			tok_start = os_strchr(tok_prev, ',');
3182 			if (tok_start) {
3183 				domain_len = tok_start - tok_prev;
3184 				*domain_ptr = domain_len;
3185 				os_memcpy(domain_ptr + 1, tok_prev, domain_len);
3186 				domain_ptr += domain_len + 1;
3187 				tok_prev = ++tok_start;
3188 			} else {
3189 				domain_len = os_strlen(tok_prev);
3190 				*domain_ptr = domain_len;
3191 				os_memcpy(domain_ptr + 1, tok_prev, domain_len);
3192 				domain_ptr += domain_len + 1;
3193 			}
3194 		}
3195 
3196 		os_free(bss->domain_name);
3197 		bss->domain_name = domain_list;
3198 		bss->domain_name_len = domain_list_len;
3199 	} else if (os_strcmp(buf, "anqp_3gpp_cell_net") == 0) {
3200 		if (parse_3gpp_cell_net(bss, pos, line) < 0)
3201 			return 1;
3202 	} else if (os_strcmp(buf, "nai_realm") == 0) {
3203 		if (parse_nai_realm(bss, pos, line) < 0)
3204 			return 1;
3205 	} else if (os_strcmp(buf, "anqp_elem") == 0) {
3206 		if (parse_anqp_elem(bss, pos, line) < 0)
3207 			return 1;
3208 	} else if (os_strcmp(buf, "gas_frag_limit") == 0) {
3209 		bss->gas_frag_limit = atoi(pos);
3210 	} else if (os_strcmp(buf, "gas_comeback_delay") == 0) {
3211 		bss->gas_comeback_delay = atoi(pos);
3212 	} else if (os_strcmp(buf, "qos_map_set") == 0) {
3213 		if (parse_qos_map_set(bss, pos, line) < 0)
3214 			return 1;
3215 #endif /* CONFIG_INTERWORKING */
3216 #ifdef CONFIG_RADIUS_TEST
3217 	} else if (os_strcmp(buf, "dump_msk_file") == 0) {
3218 		os_free(bss->dump_msk_file);
3219 		bss->dump_msk_file = os_strdup(pos);
3220 #endif /* CONFIG_RADIUS_TEST */
3221 #ifdef CONFIG_PROXYARP
3222 	} else if (os_strcmp(buf, "proxy_arp") == 0) {
3223 		bss->proxy_arp = atoi(pos);
3224 #endif /* CONFIG_PROXYARP */
3225 #ifdef CONFIG_HS20
3226 	} else if (os_strcmp(buf, "hs20") == 0) {
3227 		bss->hs20 = atoi(pos);
3228 	} else if (os_strcmp(buf, "disable_dgaf") == 0) {
3229 		bss->disable_dgaf = atoi(pos);
3230 	} else if (os_strcmp(buf, "na_mcast_to_ucast") == 0) {
3231 		bss->na_mcast_to_ucast = atoi(pos);
3232 	} else if (os_strcmp(buf, "osen") == 0) {
3233 		bss->osen = atoi(pos);
3234 	} else if (os_strcmp(buf, "anqp_domain_id") == 0) {
3235 		bss->anqp_domain_id = atoi(pos);
3236 	} else if (os_strcmp(buf, "hs20_deauth_req_timeout") == 0) {
3237 		bss->hs20_deauth_req_timeout = atoi(pos);
3238 	} else if (os_strcmp(buf, "hs20_oper_friendly_name") == 0) {
3239 		if (hs20_parse_oper_friendly_name(bss, pos, line) < 0)
3240 			return 1;
3241 	} else if (os_strcmp(buf, "hs20_wan_metrics") == 0) {
3242 		if (hs20_parse_wan_metrics(bss, pos, line) < 0)
3243 			return 1;
3244 	} else if (os_strcmp(buf, "hs20_conn_capab") == 0) {
3245 		if (hs20_parse_conn_capab(bss, pos, line) < 0) {
3246 			return 1;
3247 		}
3248 	} else if (os_strcmp(buf, "hs20_operating_class") == 0) {
3249 		u8 *oper_class;
3250 		size_t oper_class_len;
3251 		oper_class_len = os_strlen(pos);
3252 		if (oper_class_len < 2 || (oper_class_len & 0x01)) {
3253 			wpa_printf(MSG_ERROR,
3254 				   "Line %d: Invalid hs20_operating_class '%s'",
3255 				   line, pos);
3256 			return 1;
3257 		}
3258 		oper_class_len /= 2;
3259 		oper_class = os_malloc(oper_class_len);
3260 		if (oper_class == NULL)
3261 			return 1;
3262 		if (hexstr2bin(pos, oper_class, oper_class_len)) {
3263 			wpa_printf(MSG_ERROR,
3264 				   "Line %d: Invalid hs20_operating_class '%s'",
3265 				   line, pos);
3266 			os_free(oper_class);
3267 			return 1;
3268 		}
3269 		os_free(bss->hs20_operating_class);
3270 		bss->hs20_operating_class = oper_class;
3271 		bss->hs20_operating_class_len = oper_class_len;
3272 	} else if (os_strcmp(buf, "hs20_icon") == 0) {
3273 		if (hs20_parse_icon(bss, pos) < 0) {
3274 			wpa_printf(MSG_ERROR, "Line %d: Invalid hs20_icon '%s'",
3275 				   line, pos);
3276 			return 1;
3277 		}
3278 	} else if (os_strcmp(buf, "osu_ssid") == 0) {
3279 		if (hs20_parse_osu_ssid(bss, pos, line) < 0)
3280 			return 1;
3281 	} else if (os_strcmp(buf, "osu_server_uri") == 0) {
3282 		if (hs20_parse_osu_server_uri(bss, pos, line) < 0)
3283 			return 1;
3284 	} else if (os_strcmp(buf, "osu_friendly_name") == 0) {
3285 		if (hs20_parse_osu_friendly_name(bss, pos, line) < 0)
3286 			return 1;
3287 	} else if (os_strcmp(buf, "osu_nai") == 0) {
3288 		if (hs20_parse_osu_nai(bss, pos, line) < 0)
3289 			return 1;
3290 	} else if (os_strcmp(buf, "osu_method_list") == 0) {
3291 		if (hs20_parse_osu_method_list(bss, pos, line) < 0)
3292 			return 1;
3293 	} else if (os_strcmp(buf, "osu_icon") == 0) {
3294 		if (hs20_parse_osu_icon(bss, pos, line) < 0)
3295 			return 1;
3296 	} else if (os_strcmp(buf, "osu_service_desc") == 0) {
3297 		if (hs20_parse_osu_service_desc(bss, pos, line) < 0)
3298 			return 1;
3299 	} else if (os_strcmp(buf, "subscr_remediation_url") == 0) {
3300 		os_free(bss->subscr_remediation_url);
3301 		bss->subscr_remediation_url = os_strdup(pos);
3302 	} else if (os_strcmp(buf, "subscr_remediation_method") == 0) {
3303 		bss->subscr_remediation_method = atoi(pos);
3304 #endif /* CONFIG_HS20 */
3305 #ifdef CONFIG_MBO
3306 	} else if (os_strcmp(buf, "mbo") == 0) {
3307 		bss->mbo_enabled = atoi(pos);
3308 #endif /* CONFIG_MBO */
3309 #ifdef CONFIG_TESTING_OPTIONS
3310 #define PARSE_TEST_PROBABILITY(_val)				\
3311 	} else if (os_strcmp(buf, #_val) == 0) {		\
3312 		char *end;					\
3313 								\
3314 		conf->_val = strtod(pos, &end);			\
3315 		if (*end || conf->_val < 0.0 ||			\
3316 		    conf->_val > 1.0) {				\
3317 			wpa_printf(MSG_ERROR,			\
3318 				   "Line %d: Invalid value '%s'", \
3319 				   line, pos);			\
3320 			return 1;				\
3321 		}
3322 	PARSE_TEST_PROBABILITY(ignore_probe_probability)
3323 	PARSE_TEST_PROBABILITY(ignore_auth_probability)
3324 	PARSE_TEST_PROBABILITY(ignore_assoc_probability)
3325 	PARSE_TEST_PROBABILITY(ignore_reassoc_probability)
3326 	PARSE_TEST_PROBABILITY(corrupt_gtk_rekey_mic_probability)
3327 	} else if (os_strcmp(buf, "ecsa_ie_only") == 0) {
3328 		conf->ecsa_ie_only = atoi(pos);
3329 	} else if (os_strcmp(buf, "bss_load_test") == 0) {
3330 		WPA_PUT_LE16(bss->bss_load_test, atoi(pos));
3331 		pos = os_strchr(pos, ':');
3332 		if (pos == NULL) {
3333 			wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3334 				   line);
3335 			return 1;
3336 		}
3337 		pos++;
3338 		bss->bss_load_test[2] = atoi(pos);
3339 		pos = os_strchr(pos, ':');
3340 		if (pos == NULL) {
3341 			wpa_printf(MSG_ERROR, "Line %d: Invalid bss_load_test",
3342 				   line);
3343 			return 1;
3344 		}
3345 		pos++;
3346 		WPA_PUT_LE16(&bss->bss_load_test[3], atoi(pos));
3347 		bss->bss_load_test_set = 1;
3348 	} else if (os_strcmp(buf, "radio_measurements") == 0) {
3349 		bss->radio_measurements = atoi(pos);
3350 	} else if (os_strcmp(buf, "own_ie_override") == 0) {
3351 		struct wpabuf *tmp;
3352 		size_t len = os_strlen(pos) / 2;
3353 
3354 		tmp = wpabuf_alloc(len);
3355 		if (!tmp)
3356 			return 1;
3357 
3358 		if (hexstr2bin(pos, wpabuf_put(tmp, len), len)) {
3359 			wpabuf_free(tmp);
3360 			wpa_printf(MSG_ERROR,
3361 				   "Line %d: Invalid own_ie_override '%s'",
3362 				   line, pos);
3363 			return 1;
3364 		}
3365 
3366 		wpabuf_free(bss->own_ie_override);
3367 		bss->own_ie_override = tmp;
3368 #endif /* CONFIG_TESTING_OPTIONS */
3369 	} else if (os_strcmp(buf, "vendor_elements") == 0) {
3370 		struct wpabuf *elems;
3371 		size_t len = os_strlen(pos);
3372 		if (len & 0x01) {
3373 			wpa_printf(MSG_ERROR,
3374 				   "Line %d: Invalid vendor_elements '%s'",
3375 				   line, pos);
3376 			return 1;
3377 		}
3378 		len /= 2;
3379 		if (len == 0) {
3380 			wpabuf_free(bss->vendor_elements);
3381 			bss->vendor_elements = NULL;
3382 			return 0;
3383 		}
3384 
3385 		elems = wpabuf_alloc(len);
3386 		if (elems == NULL)
3387 			return 1;
3388 
3389 		if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
3390 			wpabuf_free(elems);
3391 			wpa_printf(MSG_ERROR,
3392 				   "Line %d: Invalid vendor_elements '%s'",
3393 				   line, pos);
3394 			return 1;
3395 		}
3396 
3397 		wpabuf_free(bss->vendor_elements);
3398 		bss->vendor_elements = elems;
3399 	} else if (os_strcmp(buf, "sae_anti_clogging_threshold") == 0) {
3400 		bss->sae_anti_clogging_threshold = atoi(pos);
3401 	} else if (os_strcmp(buf, "sae_groups") == 0) {
3402 		if (hostapd_parse_intlist(&bss->sae_groups, pos)) {
3403 			wpa_printf(MSG_ERROR,
3404 				   "Line %d: Invalid sae_groups value '%s'",
3405 				   line, pos);
3406 			return 1;
3407 		}
3408 	} else if (os_strcmp(buf, "local_pwr_constraint") == 0) {
3409 		int val = atoi(pos);
3410 		if (val < 0 || val > 255) {
3411 			wpa_printf(MSG_ERROR, "Line %d: Invalid local_pwr_constraint %d (expected 0..255)",
3412 				   line, val);
3413 			return 1;
3414 		}
3415 		conf->local_pwr_constraint = val;
3416 	} else if (os_strcmp(buf, "spectrum_mgmt_required") == 0) {
3417 		conf->spectrum_mgmt_required = atoi(pos);
3418 	} else if (os_strcmp(buf, "wowlan_triggers") == 0) {
3419 		os_free(bss->wowlan_triggers);
3420 		bss->wowlan_triggers = os_strdup(pos);
3421 #ifdef CONFIG_FST
3422 	} else if (os_strcmp(buf, "fst_group_id") == 0) {
3423 		size_t len = os_strlen(pos);
3424 
3425 		if (!len || len >= sizeof(conf->fst_cfg.group_id)) {
3426 			wpa_printf(MSG_ERROR,
3427 				   "Line %d: Invalid fst_group_id value '%s'",
3428 				   line, pos);
3429 			return 1;
3430 		}
3431 
3432 		if (conf->fst_cfg.group_id[0]) {
3433 			wpa_printf(MSG_ERROR,
3434 				   "Line %d: Duplicate fst_group value '%s'",
3435 				   line, pos);
3436 			return 1;
3437 		}
3438 
3439 		os_strlcpy(conf->fst_cfg.group_id, pos,
3440 			   sizeof(conf->fst_cfg.group_id));
3441 	} else if (os_strcmp(buf, "fst_priority") == 0) {
3442 		char *endp;
3443 		long int val;
3444 
3445 		if (!*pos) {
3446 			wpa_printf(MSG_ERROR,
3447 				   "Line %d: fst_priority value not supplied (expected 1..%u)",
3448 				   line, FST_MAX_PRIO_VALUE);
3449 			return -1;
3450 		}
3451 
3452 		val = strtol(pos, &endp, 0);
3453 		if (*endp || val < 1 || val > FST_MAX_PRIO_VALUE) {
3454 			wpa_printf(MSG_ERROR,
3455 				   "Line %d: Invalid fst_priority %ld (%s) (expected 1..%u)",
3456 				   line, val, pos, FST_MAX_PRIO_VALUE);
3457 			return 1;
3458 		}
3459 		conf->fst_cfg.priority = (u8) val;
3460 	} else if (os_strcmp(buf, "fst_llt") == 0) {
3461 		char *endp;
3462 		long int val;
3463 
3464 		if (!*pos) {
3465 			wpa_printf(MSG_ERROR,
3466 				   "Line %d: fst_llt value not supplied (expected 1..%u)",
3467 				   line, FST_MAX_LLT_MS);
3468 			return -1;
3469 		}
3470 		val = strtol(pos, &endp, 0);
3471 		if (*endp || val < 1 ||
3472 		    (unsigned long int) val > FST_MAX_LLT_MS) {
3473 			wpa_printf(MSG_ERROR,
3474 				   "Line %d: Invalid fst_llt %ld (%s) (expected 1..%u)",
3475 				   line, val, pos, FST_MAX_LLT_MS);
3476 			return 1;
3477 		}
3478 		conf->fst_cfg.llt = (u32) val;
3479 #endif /* CONFIG_FST */
3480 	} else if (os_strcmp(buf, "track_sta_max_num") == 0) {
3481 		conf->track_sta_max_num = atoi(pos);
3482 	} else if (os_strcmp(buf, "track_sta_max_age") == 0) {
3483 		conf->track_sta_max_age = atoi(pos);
3484 	} else if (os_strcmp(buf, "no_probe_resp_if_seen_on") == 0) {
3485 		os_free(bss->no_probe_resp_if_seen_on);
3486 		bss->no_probe_resp_if_seen_on = os_strdup(pos);
3487 	} else if (os_strcmp(buf, "no_auth_if_seen_on") == 0) {
3488 		os_free(bss->no_auth_if_seen_on);
3489 		bss->no_auth_if_seen_on = os_strdup(pos);
3490 	} else {
3491 		wpa_printf(MSG_ERROR,
3492 			   "Line %d: unknown configuration item '%s'",
3493 			   line, buf);
3494 		return 1;
3495 	}
3496 
3497 	return 0;
3498 }
3499 
3500 
3501 /**
3502  * hostapd_config_read - Read and parse a configuration file
3503  * @fname: Configuration file name (including path, if needed)
3504  * Returns: Allocated configuration data structure
3505  */
hostapd_config_read(const char * fname)3506 struct hostapd_config * hostapd_config_read(const char *fname)
3507 {
3508 	struct hostapd_config *conf;
3509 	FILE *f;
3510 	char buf[4096], *pos;
3511 	int line = 0;
3512 	int errors = 0;
3513 	size_t i;
3514 
3515 	f = fopen(fname, "r");
3516 	if (f == NULL) {
3517 		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
3518 			   "for reading.", fname);
3519 		return NULL;
3520 	}
3521 
3522 	conf = hostapd_config_defaults();
3523 	if (conf == NULL) {
3524 		fclose(f);
3525 		return NULL;
3526 	}
3527 
3528 	/* set default driver based on configuration */
3529 	conf->driver = wpa_drivers[0];
3530 	if (conf->driver == NULL) {
3531 		wpa_printf(MSG_ERROR, "No driver wrappers registered!");
3532 		hostapd_config_free(conf);
3533 		fclose(f);
3534 		return NULL;
3535 	}
3536 
3537 	conf->last_bss = conf->bss[0];
3538 
3539 	while (fgets(buf, sizeof(buf), f)) {
3540 		struct hostapd_bss_config *bss;
3541 
3542 		bss = conf->last_bss;
3543 		line++;
3544 
3545 		if (buf[0] == '#')
3546 			continue;
3547 		pos = buf;
3548 		while (*pos != '\0') {
3549 			if (*pos == '\n') {
3550 				*pos = '\0';
3551 				break;
3552 			}
3553 			pos++;
3554 		}
3555 		if (buf[0] == '\0')
3556 			continue;
3557 
3558 		pos = os_strchr(buf, '=');
3559 		if (pos == NULL) {
3560 			wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
3561 				   line, buf);
3562 			errors++;
3563 			continue;
3564 		}
3565 		*pos = '\0';
3566 		pos++;
3567 		errors += hostapd_config_fill(conf, bss, buf, pos, line);
3568 	}
3569 
3570 	fclose(f);
3571 
3572 	for (i = 0; i < conf->num_bss; i++)
3573 		hostapd_set_security_params(conf->bss[i], 1);
3574 
3575 	if (hostapd_config_check(conf, 1))
3576 		errors++;
3577 
3578 #ifndef WPA_IGNORE_CONFIG_ERRORS
3579 	if (errors) {
3580 		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
3581 			   "'%s'", errors, fname);
3582 		hostapd_config_free(conf);
3583 		conf = NULL;
3584 	}
3585 #endif /* WPA_IGNORE_CONFIG_ERRORS */
3586 
3587 	return conf;
3588 }
3589 
3590 
hostapd_set_iface(struct hostapd_config * conf,struct hostapd_bss_config * bss,const char * field,char * value)3591 int hostapd_set_iface(struct hostapd_config *conf,
3592 		      struct hostapd_bss_config *bss, const char *field,
3593 		      char *value)
3594 {
3595 	int errors;
3596 	size_t i;
3597 
3598 	errors = hostapd_config_fill(conf, bss, field, value, 0);
3599 	if (errors) {
3600 		wpa_printf(MSG_INFO, "Failed to set configuration field '%s' "
3601 			   "to value '%s'", field, value);
3602 		return -1;
3603 	}
3604 
3605 	for (i = 0; i < conf->num_bss; i++)
3606 		hostapd_set_security_params(conf->bss[i], 0);
3607 
3608 	if (hostapd_config_check(conf, 0)) {
3609 		wpa_printf(MSG_ERROR, "Configuration check failed");
3610 		return -1;
3611 	}
3612 
3613 	return 0;
3614 }
3615